/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-primary: #0a0c14;
  --bg-secondary: #0f1322;
  --bg-card: rgba(18, 24, 43, 0.75);
  --bg-card-hover: rgba(26, 35, 64, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.35);

  --accent-cyan: #00f0ff;
  --accent-purple: #9d4edd;
  --accent-blue: #3a86ff;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-glow-cyan: 0 0 25px rgba(0, 240, 255, 0.25);
  --shadow-glow-purple: 0 0 25px rgba(157, 78, 221, 0.25);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Glowing Ambient Orbs */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.25;
  animation: float 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-cyan), transparent);
  top: -100px;
  left: -50px;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-purple), transparent);
  bottom: -100px;
  right: -80px;
  animation-delay: -7s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, var(--accent-blue), transparent);
  top: 40%;
  left: 55%;
  animation-delay: -12s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 60px) scale(1.08); }
  100% { transform: translate(-30px, 40px) scale(0.95); }
}

/* App Container */
.app-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

/* Header & Navigation */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 40px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: var(--shadow-glow-cyan);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #fff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.7);
  padding: 6px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
}

.nav-item {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item:hover {
  color: #fff;
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(157, 78, 221, 0.25));
  color: #fff;
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.admin-link {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.admin-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: 40px 0 50px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--accent-emerald);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-pill .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-gradient {
  background: linear-gradient(135deg, #00f0ff 0%, #3a86ff 40%, #9d4edd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto 32px;
}

.hero-metrics {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.metric-item span {
  font-weight: 700;
  color: #fff;
}

/* Tab Panels */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Search and Filters */
.explorer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-input-wrapper i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
}

.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-main);
  font-size: 14px;
  outline: none;
  transition: all 0.25s ease;
  backdrop-filter: blur(8px);
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

/* Files Grid */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.file-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.file-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.file-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(0, 240, 255, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card), 0 0 20px rgba(0, 240, 255, 0.15);
}

.file-card:hover::before {
  opacity: 1;
}

.file-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.file-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(157, 78, 221, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.file-info {
  flex: 1;
}

.file-title {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.file-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.badge-version {
  background: rgba(58, 134, 255, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(58, 134, 255, 0.3);
}

.badge-size {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-muted);
}

.badge-protected {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-free {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.file-desc {
  color: var(--text-muted);
  font-size: 13.5px;
  line-height: 1.5;
  margin-bottom: 20px;
}

.file-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.file-stats {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-download {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-download:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
  transform: scale(1.02);
}

.btn-download.link4m {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
}

/* Get Key Tab View */
.getkey-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  position: relative;
}

.getkey-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.3), transparent, rgba(157, 78, 221, 0.3));
  pointer-events: none;
  z-index: -1;
}

.key-glow-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(157, 78, 221, 0.2));
  border: 2px solid rgba(0, 240, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--accent-cyan);
  box-shadow: var(--shadow-glow-cyan);
  animation: keyFloat 3s ease-in-out infinite alternate;
}

@keyframes keyFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* Key Stock Badge */
.key-stock-wrapper {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.ip-limit-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  color: var(--accent-cyan);
  font-size: 12.5px;
  font-weight: 600;
}

.ip-limit-badge.limit-reached {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.5);
  color: var(--accent-amber);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

.key-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: all 0.3s ease;
}

.key-stock-badge.in-stock {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--accent-emerald);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.2);
}

.key-stock-badge.in-stock .stock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse 1.5s infinite;
}

.key-stock-badge.out-of-stock {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.5);
  color: var(--accent-rose);
  box-shadow: 0 0 16px rgba(244, 63, 94, 0.25);
}

.key-stock-badge.out-of-stock .stock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-rose);
  box-shadow: 0 0 8px var(--accent-rose);
}

.getkey-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 12px;
}

.getkey-desc {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 30px;
  line-height: 1.6;
}

.btn-getkey-main {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  border: none;
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
}

.btn-getkey-main:hover {
  transform: scale(1.04);
  box-shadow: 0 0 35px rgba(157, 78, 221, 0.5);
}

.btn-getkey-main:disabled {
  background: #334155 !important;
  color: #94a3b8 !important;
  cursor: not-allowed !important;
  box-shadow: none !important;
  transform: none !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

/* Stepper Progress View */
.stepper-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 20px 0 28px;
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-muted);
}

.stepper-step.completed {
  border-color: rgba(16, 185, 129, 0.5);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

.stepper-step.active {
  border-color: rgba(0, 240, 255, 0.6);
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  animation: pulse 2s infinite;
}

.stepper-divider {
  width: 30px;
  height: 2px;
  background: var(--border-color);
}

.stepper-divider.completed {
  background: var(--accent-emerald);
}

.btn-step2 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  border: none;
  font-family: var(--font-main);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.4);
}

.btn-step2:hover {
  transform: scale(1.04);
  box-shadow: 0 0 35px rgba(245, 158, 11, 0.6);
  filter: brightness(1.1);
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
  text-align: left;
}

.step-item {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
}

.step-num {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}

.step-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* Verify & Claim Result View */
.result-card {
  max-width: 600px;
  margin: 30px auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  backdrop-filter: blur(14px);
}

.result-card.success {
  border-color: rgba(16, 185, 129, 0.5);
  box-shadow: 0 0 30px rgba(16, 185, 129, 0.2);
}

.result-card.blocked {
  border-color: rgba(244, 63, 94, 0.5);
  box-shadow: 0 0 30px rgba(244, 63, 94, 0.2);
}

.key-display-box {
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed var(--accent-cyan);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  margin: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.key-code {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 1px;
  word-break: break-all;
}

.btn-copy {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-copy:hover {
  background: var(--accent-cyan);
  color: #000;
}

/* Check Key Form */
.check-key-box {
  max-width: 550px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  font-weight: 700;
  font-size: 15px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-submit:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

/* Footer */
.footer {
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-badges {
  display: flex;
  align-items: center;
  gap: 12px;
}

.shield-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--accent-cyan);
  padding: 4px 10px;
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-full);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .steps-list { grid-template-columns: 1fr; }
  .navbar { flex-direction: column; gap: 16px; align-items: stretch; }
  .nav-links { overflow-x: auto; width: 100%; justify-content: flex-start; }
  .files-grid { grid-template-columns: 1fr; }
  .yt-channel-hero { flex-direction: column; text-align: center; gap: 16px; }
  .yt-channel-info { flex-direction: column; }
  .event-banner { flex-direction: column; gap: 10px; text-align: center; }
  .event-actions { width: 100%; justify-content: center; }
}

/* SYSTEM ANNOUNCEMENT BANNER */
.announcement-banner {
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  position: relative;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: fadeInBanner 0.4s ease;
}

@keyframes fadeInBanner {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.announcement-banner.info {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 4px 18px rgba(0, 240, 255, 0.15);
}
.announcement-banner.warning {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.45);
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.15);
}
.announcement-banner.danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.45);
  box-shadow: 0 4px 18px rgba(239, 68, 68, 0.15);
}
.announcement-banner.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.45);
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.15);
}

.announcement-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  flex-wrap: wrap;
}

.announcement-icon {
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}
.announcement-banner.info .announcement-icon { color: var(--accent-cyan); }
.announcement-banner.warning .announcement-icon { color: #f59e0b; }
.announcement-banner.danger .announcement-icon { color: #ef4444; }
.announcement-banner.success .announcement-icon { color: #10b981; }

.announcement-text {
  font-size: 13.5px;
  font-weight: 500;
  color: #fff;
  line-height: 1.45;
}

.announcement-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-cyan);
  text-decoration: underline;
  margin-left: 6px;
  transition: opacity 0.2s;
}
.announcement-link:hover {
  opacity: 0.8;
}

.announcement-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.announcement-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

/* EVENT BANNER */
.event-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(244, 63, 94, 0.18), rgba(157, 78, 221, 0.18));
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.15);
  animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
  0% { border-color: rgba(245, 158, 11, 0.35); box-shadow: 0 0 15px rgba(245, 158, 11, 0.1); }
  100% { border-color: rgba(0, 240, 255, 0.45); box-shadow: 0 0 25px rgba(0, 240, 255, 0.2); }
}

.event-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.event-tag {
  background: linear-gradient(135deg, #ff0055, #ff5500);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 0 10px rgba(255, 0, 85, 0.5);
}

.event-text {
  font-size: 13.5px;
  color: #fff;
  font-weight: 600;
}

.event-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn-event-giftcode {
  padding: 6px 14px;
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-weight: 700;
  font-size: 12px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-event-giftcode:hover {
  transform: translateY(-1px);
  filter: brightness(1.15);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.4);
}

.btn-event-yt {
  padding: 6px 14px;
  background: #ff0000;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 12px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-event-yt:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
}

/* SAVED KEY BANNER (LOCALSTORAGE) */
.saved-key-banner {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.saved-key-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.saved-key-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.saved-key-title {
  font-size: 12.5px;
  color: var(--text-muted);
}

.saved-key-code {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--accent-cyan);
  display: inline-block;
  margin-right: 10px;
}

.saved-key-time {
  font-size: 11.5px;
  color: var(--text-dim);
}

.btn-copy-saved-key {
  padding: 7px 14px;
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-copy-saved-key:hover {
  background: var(--accent-emerald);
  color: #000;
}

/* YOUTUBE HEADER BTN */
.yt-header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 0, 0, 0.12);
  border: 1px solid rgba(255, 0, 0, 0.3);
  color: #fff;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.yt-header-btn i {
  color: #ff3344;
  font-size: 16px;
}

.yt-header-btn:hover {
  background: #ff0000;
  color: #fff;
  box-shadow: 0 0 15px rgba(255, 0, 0, 0.4);
  transform: translateY(-1px);
}

.yt-header-btn:hover i {
  color: #fff;
}

/* GETKEY GUIDE BAR */
.getkey-guide-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.btn-yt-guide {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-yt-guide:hover {
  background: rgba(255, 0, 0, 0.15);
  border-color: rgba(255, 0, 0, 0.4);
  color: #fff;
  transform: translateY(-1px);
}

.btn-open-giftcode {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.btn-open-giftcode:hover {
  background: rgba(245, 158, 11, 0.25);
  transform: translateY(-1px);
}

/* YOUTUBE HUB PAGE */
.youtube-hub-card {
  max-width: 900px;
  margin: 0 auto;
}

.yt-channel-hero {
  background: linear-gradient(135deg, rgba(30, 20, 40, 0.9), rgba(15, 20, 35, 0.9));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.yt-channel-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.yt-avatar-glow {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ff0000, #b30000);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  box-shadow: 0 0 25px rgba(255, 0, 0, 0.4);
  flex-shrink: 0;
}

.btn-yt-sub {
  background: #ff0000;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 15px rgba(255, 0, 0, 0.35);
  flex-shrink: 0;
}

.btn-yt-sub:hover {
  background: #cc0000;
  transform: scale(1.04);
  box-shadow: 0 6px 25px rgba(255, 0, 0, 0.6);
}

.featured-video-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.video-player-header {
  padding: 14px 20px;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border-color);
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.responsive-video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  background: #000;
}

.responsive-video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* UPGRADED YOUTUBE VIDEO GRID & CARDS */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-card:hover {
  border-color: rgba(255, 51, 68, 0.6);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(255, 51, 68, 0.2);
}

.video-thumb-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: #0b0f19;
  cursor: pointer;
  overflow: hidden;
}

.video-thumb-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.video-thumb-wrap:hover .video-thumb-img {
  transform: scale(1.06);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  z-index: 2;
}

.video-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 1;
}

.video-play-overlay i {
  width: 44px;
  height: 44px;
  background: #ff0000;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 20px rgba(255, 0, 0, 0.7);
  transform: scale(0.85);
  transition: transform 0.2s ease;
}

.video-thumb-wrap:hover .video-play-overlay {
  opacity: 1;
}

.video-thumb-wrap:hover .video-play-overlay i {
  transform: scale(1.05);
}

.video-card-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.video-card-title {
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 38px;
}

.video-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  color: var(--text-dim);
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 4px;
}

.video-cat-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cat-panel {
  background: rgba(244, 63, 94, 0.15);
  color: #ff6b81;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.cat-fps {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.cat-aim {
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.cat-guide {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.cat-general {
  background: rgba(148, 163, 184, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.video-card-actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.btn-play-video {
  flex: 1;
  padding: 7px 10px;
  background: rgba(255, 0, 0, 0.15);
  border: 1px solid rgba(255, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-play-video:hover {
  background: #ff0000;
  border-color: #ff0000;
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 0, 0, 0.4);
}

.btn-yt-external {
  padding: 7px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-yt-external:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* YOUTUBE SEARCH & FILTER CONTROLS */
.yt-controls-bar {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.yt-search-wrap {
  position: relative;
  width: 100%;
}

.yt-search-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 14px;
}

.yt-search-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px 10px 38px;
  color: #fff;
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.2s;
}

.yt-search-input:focus {
  border-color: #ff3344;
  box-shadow: 0 0 10px rgba(255, 51, 68, 0.25);
}

.yt-filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.yt-filter-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.yt-filter-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.yt-filter-pill.active {
  background: #ff0000;
  border-color: #ff0000;
  color: #fff;
  box-shadow: 0 0 12px rgba(255, 0, 0, 0.4);
}

/* COMMUNITY HUB BANNER & FLOATING WIDGET */
.community-hub-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.comm-card {
  background: linear-gradient(135deg, rgba(20, 25, 45, 0.8), rgba(15, 20, 35, 0.9));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-decoration: none;
  transition: all 0.25s ease;
}

.comm-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-cyan);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.15);
}

.comm-card-discord:hover {
  border-color: #5865F2;
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.25);
}

.comm-card-zalo:hover {
  border-color: #0068FF;
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.25);
}

.comm-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.comm-icon-discord {
  background: rgba(88, 101, 242, 0.2);
  color: #5865F2;
}

.comm-icon-zalo {
  background: rgba(0, 104, 255, 0.2);
  color: #0068FF;
}

.comm-details h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.comm-details p {
  font-size: 11.5px;
  color: var(--text-dim);
}

.comm-btn-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

/* FLOATING COMMUNITY BUTTON */
.floating-community {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 99;
}

.float-comm-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
  transition: all 0.25s ease;
  position: relative;
}

.float-comm-btn:hover {
  transform: scale(1.1);
}

.float-discord {
  background: #5865F2;
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.4);
}

.float-zalo {
  background: #0068FF;
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
}

.float-badge-tip {
  position: absolute;
  right: 58px;
  background: #111827;
  color: #fff;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  border: 1px solid var(--border-color);
}

.float-comm-btn:hover .float-badge-tip {
  opacity: 1;
}

/* 3-STEP TUTORIAL MODAL */
.guide-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 20px 0;
  text-align: left;
}

.guide-step-card {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  position: relative;
}

.guide-step-num {
  position: absolute;
  top: -10px;
  left: 16px;
  background: var(--accent-cyan);
  color: #000;
  font-weight: 800;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
}

.guide-step-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-top: 6px;
  margin-bottom: 6px;
}

.guide-step-card p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   EVENT BANNER & SAVED KEY BANNER
   ============================================================ */
.event-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(217, 119, 6, 0.25));
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  margin: 16px 0 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.15);
  animation: fadeIn 0.3s ease;
}

.event-content {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.event-tag {
  background: var(--accent-amber);
  color: #000;
  font-weight: 800;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.event-text {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.event-perk-badge {
  background: rgba(0, 240, 255, 0.18);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.event-countdown-chip {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  letter-spacing: 0.3px;
}

.event-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-event-giftcode {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #000;
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  box-shadow: 0 3px 10px rgba(245, 158, 11, 0.3);
}

.btn-event-giftcode:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(245, 158, 11, 0.5);
}

.btn-event-yt {
  background: rgba(255, 51, 68, 0.2);
  border: 1px solid rgba(255, 51, 68, 0.4);
  color: #fff;
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-event-yt:hover {
  background: rgba(255, 51, 68, 0.35);
  transform: translateY(-2px);
}

/* SAVED KEY BANNER */
.saved-key-banner {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(58, 134, 255, 0.12));
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin: 16px 0 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  box-shadow: 0 4px 25px rgba(0, 240, 255, 0.12);
  animation: fadeIn 0.3s ease;
}

.saved-key-content {
  display: flex;
  align-items: center;
  gap: 14px;
}

.saved-key-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.18);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.saved-key-title {
  font-size: 12.5px;
  color: var(--text-dim);
  font-weight: 500;
  margin-bottom: 3px;
}

.saved-key-code {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 8px;
  border-radius: 6px;
  border: 1px solid rgba(0, 240, 255, 0.25);
  margin-right: 8px;
}

.saved-key-time {
  font-size: 11.5px;
  color: var(--text-dim);
}

.saved-key-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-check-saved-key {
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: var(--accent-cyan);
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-check-saved-key:hover {
  background: rgba(0, 240, 255, 0.25);
  transform: translateY(-2px);
}

.btn-copy-saved-key {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  font-weight: 700;
  font-size: 12.5px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn-copy-saved-key:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
}

/* ============================================================
   USER KEYS VAULT (VÍ KHÓA CÁ NHÂN)
   ============================================================ */
.user-keys-vault {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.vault-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.btn-clear-history {
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: var(--accent-rose);
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-clear-history:hover {
  background: rgba(244, 63, 94, 0.2);
}

.vault-keys-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.vault-card {
  background: rgba(10, 14, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  transition: all 0.2s ease;
}

.vault-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  background: rgba(18, 24, 43, 0.95);
  transform: translateY(-1px);
}

.vault-card-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.vault-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.vault-key-code {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

.vault-badge-latest {
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--accent-emerald);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.vault-card-time {
  font-size: 11.5px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 5px;
}

.vault-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-vault-check {
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-vault-check:hover {
  background: rgba(0, 240, 255, 0.22);
}

.btn-vault-copy {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-color);
  color: #fff;
  font-weight: 600;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.btn-vault-copy:hover {
  background: rgba(255, 255, 255, 0.16);
}

/* ============================================================
   VIDEO CARD - BTN RELATED FILE
   ============================================================ */
.btn-related-file {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  font-weight: 700;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-related-file:hover {
  background: rgba(16, 185, 129, 0.28);
  transform: translateY(-2px);
}

/* ============================================================
   RESPONSIVE MOBILE STYLES (< 768px & < 480px)
   ============================================================ */
@media (max-width: 768px) {
  .app-wrapper {
    padding: 0 16px 80px;
  }

  .navbar {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 16px 0;
    margin-bottom: 24px;
  }

  .navbar .brand {
    justify-content: center;
  }

  .nav-links {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    gap: 8px;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }

  .nav-item {
    padding: 8px 14px;
    font-size: 13px;
    flex-shrink: 0;
  }

  .hero-section {
    padding: 20px 0 30px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-metrics {
    flex-direction: column;
    gap: 10px;
  }

  .files-grid {
    grid-template-columns: 1fr;
  }

  .community-hub-strip {
    grid-template-columns: 1fr;
  }

  .yt-channel-hero {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .yt-channel-info {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .yt-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .yt-filter-pills {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .yt-filter-pills::-webkit-scrollbar {
    display: none;
  }

  .yt-filter-pill {
    flex-shrink: 0;
  }

  .videos-grid {
    grid-template-columns: 1fr;
  }

  .floating-community {
    bottom: 16px;
    right: 16px;
    gap: 10px;
  }

  .float-comm-btn {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .float-badge-tip {
    display: none;
  }

  .saved-key-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .saved-key-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .vault-card {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .vault-card-actions {
    justify-content: flex-end;
    width: 100%;
  }

  .video-card-actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 22px;
  }

  .brand-text h1 {
    font-size: 18px;
  }

  .modal-box {
    padding: 20px 16px !important;
    width: 95% !important;
  }

  .guide-steps-grid {
    grid-template-columns: 1fr;
  }
}

/* ========================================================
   IN-APP BROWSER (ZALO, FACEBOOK, TIKTOK) RESOLVER STYLES
   ======================================================== */
.inapp-sticky-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, #b45309, #d97706);
  color: #fff;
  z-index: 999999;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  font-weight: 500;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.inapp-banner-btn {
  background: #fff;
  color: #b45309;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-weight: 700;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.2s;
}

.inapp-banner-btn:active {
  transform: scale(0.95);
}

.inapp-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(3, 7, 18, 0.88);
  backdrop-filter: blur(12px);
  z-index: 1000000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.25s ease;
}

.inapp-card {
  max-width: 480px;
  width: 100%;
  background: #111827;
  border: 1px solid rgba(245, 158, 11, 0.5);
  border-radius: 20px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(245, 158, 11, 0.2);
  position: relative;
}

.inapp-pulse-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin: 0 auto 16px;
  border: 1px solid rgba(245, 158, 11, 0.3);
  animation: pulseAmber 2s infinite;
}

@keyframes pulseAmber {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(245, 158, 11, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}

.inapp-step-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px;
  margin: 16px 0;
  text-align: left;
}

.inapp-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 13px;
  color: #e2e8f0;
}

.inapp-step-item:last-child {
  margin-bottom: 0;
}

.inapp-step-num {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #f59e0b;
  color: #000;
  font-weight: 800;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.btn-open-chrome {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
  transition: all 0.2s;
  text-decoration: none;
  margin-bottom: 10px;
}

.btn-open-chrome:active {
  transform: scale(0.98);
}

/* ========================================================
   SUB2UNLOCK 2.0 & SMART KEY VAULT STYLES
   ======================================================== */
.vault-nav-badge {
  background: var(--accent-cyan);
  color: #000;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: 4px;
}

/* Reminder Banner trong Tab Lấy Key */
.vault-reminder-banner {
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeIn 0.3s ease;
}

.reminder-pulse-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 240, 255, 0.3);
}

/* Sub2Unlock 2.0 Container */
.sub2unlock-box {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 16px;
  padding: 20px;
  margin: 22px 0 16px 0;
  text-align: left;
  position: relative;
  overflow: hidden;
}

.sub2unlock-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #ff0000, #ff4444);
}

.sub2unlock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.sub2unlock-yt-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 0, 0, 0.15);
  color: #ff3344;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid rgba(255, 0, 0, 0.3);
}

.sub2unlock-badge {
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.5px;
}

.sub2unlock-badge.locked {
  background: rgba(239, 68, 68, 0.18);
  color: #ff6b81;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.sub2unlock-badge.unlocked {
  background: rgba(16, 185, 129, 0.18);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.btn-sub2unlock-main {
  width: 100%;
  padding: 14px 20px;
  background: linear-gradient(135deg, #ff0000, #c00);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.35);
  transition: all 0.25s ease;
  letter-spacing: 0.5px;
}

.btn-sub2unlock-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 0, 0, 0.5);
}

.btn-sub2unlock-main:active {
  transform: scale(0.98);
}

.btn-sub2unlock-main.completed {
  background: linear-gradient(135deg, #10b981, #059669);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
  cursor: default;
}

.sub2unlock-timer {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 12px 16px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeIn 0.2s ease;
}

.sub2unlock-spinner {
  color: var(--accent-cyan);
  font-size: 22px;
}

/* Nút bị khóa khi chưa Sub2Unlock */
.btn-getkey-main.btn-locked {
  background: rgba(255, 255, 255, 0.06) !important;
  color: var(--text-dim) !important;
  border: 1px dashed rgba(255, 255, 255, 0.15) !important;
  box-shadow: none !important;
  cursor: not-allowed !important;
  transform: none !important;
}

/* Giao diện Smart Key Vault Tab */
.vault-wrapper {
  max-width: 860px;
  margin: 0 auto;
}

.vault-header-hero {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.vault-hero-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 16px;
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.vault-stats-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.vault-stat-item {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 10px 20px;
  min-width: 140px;
  text-align: center;
}

.vault-stat-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.vault-stat-val {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}

.vault-stat-val.active {
  color: var(--accent-emerald);
}

.vault-stat-val.expired {
  color: var(--accent-rose);
}

.vault-count-pill {
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  padding: 3px 10px;
  border-radius: 999px;
}

.btn-vault-action {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.btn-vault-action:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-vault-action.danger {
  color: var(--accent-rose);
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-vault-action.danger:hover {
  background: rgba(244, 63, 94, 0.15);
}

.vault-list-container {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.vault-item-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  transition: all 0.25s ease;
}

.vault-item-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 240, 255, 0.1);
}

.vault-item-key-box {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.vault-key-text {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent-cyan);
  letter-spacing: 1px;
}

.vault-countdown-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.vault-countdown-badge.active {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.vault-countdown-badge.expired {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.vault-countdown-badge.unknown {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.vault-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-dim);
  flex-wrap: wrap;
}

.vault-item-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.vault-empty {
  text-align: center;
  padding: 60px 20px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px dashed var(--border-color);
  border-radius: 20px;
  margin-top: 10px;
}

.vault-empty-icon {
  font-size: 48px;
  color: var(--text-dim);
  margin-bottom: 14px;
}

/* ========================================================
   USER AUTHENTICATION & MEMBER ACCOUNT SYSTEM
======================================================== */
.nav-user-container {
  display: flex;
  align-items: center;
  position: relative;
}

.btn-nav-auth {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(58, 134, 255, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: #fff;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

.btn-nav-auth i {
  color: var(--accent-cyan);
  font-size: 15px;
}

.btn-nav-auth:hover {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.3), rgba(58, 134, 255, 0.3));
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
  transform: translateY(-1px);
}

.btn-nav-register {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
  border: 1px solid rgba(16, 185, 129, 0.5);
  color: #fff;
  border-radius: var(--radius-full);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.btn-nav-register i {
  color: var(--accent-emerald);
  font-size: 14px;
}

.btn-nav-register:hover {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.35), rgba(5, 150, 105, 0.35));
  border-color: var(--accent-emerald);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
  transform: translateY(-1px);
}

/* User Profile Badge (When Logged In) */
.user-profile-wrapper {
  position: relative;
}

.btn-user-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px 6px 8px;
  background: rgba(18, 24, 43, 0.85);
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: var(--radius-full);
  color: #fff;
  font-family: var(--font-main);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-user-badge:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
}

.user-badge-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #fff;
}

.user-badge-name {
  font-size: 13.5px;
  font-weight: 700;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-badge-arrow {
  color: var(--text-dim);
  transition: transform 0.2s ease;
}

.user-profile-wrapper.active .user-badge-arrow {
  transform: rotate(180deg);
}

/* User Dropdown Menu */
.user-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 250px;
  background: #111728;
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.8), 0 0 20px rgba(0, 240, 255, 0.1);
  backdrop-filter: blur(16px);
  z-index: 1000;
  animation: dropdownFadeIn 0.2s ease;
}

.user-dropdown-menu.show {
  display: block;
}

@keyframes dropdownFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.dropdown-header {
  padding: 8px 10px 10px;
}

.dropdown-name {
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}

.dropdown-badge {
  font-size: 11.5px;
  color: var(--accent-cyan);
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.dropdown-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 6px 0;
}

.dropdown-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.15s ease;
}

.dropdown-item:hover {
  background: rgba(0, 240, 255, 0.1);
  color: #fff;
}

.dropdown-item.text-danger {
  color: var(--accent-rose);
}

.dropdown-item.text-danger:hover {
  background: rgba(244, 63, 94, 0.15);
}

/* ========================================================
   GLOBAL MODAL OVERLAY & POPUP STYLES
======================================================== */
.modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  background: rgba(3, 7, 18, 0.88) !important;
  backdrop-filter: blur(14px) !important;
  -webkit-backdrop-filter: blur(14px) !important;
  z-index: 999999 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: modalFadeIn 0.25s ease;
  overflow-y: auto;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalPopIn {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* ========================================================
   AUTH MODAL STYLING
======================================================== */
.auth-modal-box {
  max-width: 440px;
  width: 90%;
  background: #111728;
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), 0 0 35px rgba(0, 240, 255, 0.15);
  backdrop-filter: blur(20px);
  position: relative;
  animation: modalPopIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
}

.auth-close-btn:hover {
  background: rgba(244, 63, 94, 0.2);
  color: #fff;
  border-color: var(--accent-rose);
}

.auth-header {
  text-align: center;
  margin-bottom: 22px;
}

.auth-icon-circle {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 14px;
  border: 1px solid rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
}

.auth-title {
  font-size: 21px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.auth-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 4px;
  margin-bottom: 22px;
}

.auth-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 9px;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.auth-tab-btn:hover {
  color: #fff;
}

.auth-tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(58, 134, 255, 0.2));
  color: #fff;
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.auth-alert {
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 18px;
  line-height: 1.4;
  text-align: left;
}

.auth-alert.error {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #ff859b;
}

.auth-alert.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.auth-field label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.auth-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: #fff;
  font-family: var(--font-main);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.auth-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
  background: rgba(0, 0, 0, 0.6);
}

.auth-password-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-password-wrapper .auth-input {
  padding-right: 42px;
}

.auth-toggle-pwd {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 15px;
  padding: 4px;
  transition: color 0.2s;
}

.auth-toggle-pwd:hover {
  color: var(--accent-cyan);
}

.btn-auth-action {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px;
  background: linear-gradient(135deg, var(--accent-cyan), #0099ff);
  border: none;
  border-radius: 10px;
  color: #000;
  font-family: var(--font-main);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(0, 240, 255, 0.3);
  margin-top: 6px;
}

.btn-auth-action:hover {
  box-shadow: 0 6px 25px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.btn-auth-action:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-register-action {
  background: linear-gradient(135deg, var(--accent-emerald), #059669);
  color: #fff;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.3);
}

.btn-register-action:hover {
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.5);
}

.auth-switch-note {
  font-size: 12.5px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 10px;
}

.auth-switch-note a {
  color: var(--accent-cyan);
  text-decoration: none;
  font-weight: 600;
}

.auth-switch-note a:hover {
  text-decoration: underline;
}

/* ========================================================
   USER HISTORY MODAL
======================================================== */
.history-modal-box {
  max-width: 600px;
  width: 92%;
  background: #111728;
  border: 1px solid rgba(0, 240, 255, 0.35);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  position: relative;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.history-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 18px;
}

.history-tab-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 12px;
  background: transparent;
  border: none;
  border-radius: 8px;
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.history-tab-btn.active {
  background: rgba(0, 240, 255, 0.18);
  color: #fff;
  border: 1px solid rgba(0, 240, 255, 0.35);
}

.history-list-container {
  overflow-y: auto;
  max-height: 380px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 4px;
}

.history-item-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: rgba(18, 24, 43, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  transition: border-color 0.2s;
  gap: 12px;
}

.history-item-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
}

.history-item-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13.5px;
  color: var(--accent-cyan);
}

.history-item-time {
  font-size: 11.5px;
  color: var(--text-dim);
}

.history-empty {
  text-align: center;
  padding: 40px 10px;
  color: var(--text-dim);
  font-size: 13.5px;
}

.history-empty i {
  font-size: 36px;
  margin-bottom: 10px;
  display: block;
}

/* PWA Install Button */
.pwa-install-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 240, 255, 0.12);
  border: 1px solid rgba(0, 240, 255, 0.35);
  color: var(--accent-cyan);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.pwa-install-btn:hover {
  background: rgba(0, 240, 255, 0.25);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
  transform: translateY(-1px);
}

/* Referral & Guide Styles */
.referral-box {
  background: rgba(0, 240, 255, 0.04);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 16px;
}

.btn-open-guide {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--accent-amber);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-open-guide:hover {
  background: rgba(245, 158, 11, 0.25);
  border-color: var(--accent-amber);
  transform: translateY(-1px);
}