/* SelThum Master Stylesheet with Security & Authentication */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  --bg-dark: #050811;
  --bg-card: rgba(13, 19, 33, 0.75);
  --bg-card-hover: rgba(22, 31, 51, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(16, 185, 129, 0.35);
  
  --accent-emerald: #10b981;
  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-violet: #8b5cf6;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(at 0% 0%, rgba(16, 185, 129, 0.07) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.07) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(99, 102, 241, 0.05) 0px, transparent 50%);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Custom Sleek Scrollbar */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: rgba(5, 8, 17, 0.8);
}
::-webkit-scrollbar-thumb {
  background: rgba(30, 41, 59, 0.8);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(16, 185, 129, 0.5);
}

/* Typography Helpers */
.font-outfit {
  font-family: 'Outfit', sans-serif;
}
.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Glassmorphism & Depth Cards */
.glass-panel {
  background: rgba(11, 16, 27, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
}

.glass-card {
  position: relative;
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.6) 0%, rgba(7, 11, 20, 0.8) 100%);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: 1rem;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.glass-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5), 0 0 25px rgba(16, 185, 129, 0.12);
  transform: translateY(-2px);
}

/* Glowing Top Line Accent */
.accent-card-emerald { border-top: 2px solid var(--accent-emerald); }
.accent-card-cyan { border-top: 2px solid var(--accent-cyan); }
.accent-card-indigo { border-top: 2px solid var(--accent-indigo); }
.accent-card-amber { border-top: 2px solid var(--accent-amber); }
.accent-card-rose { border-top: 2px solid var(--accent-rose); }

/* Keyframe Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-fade-in {
  animation: fadeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes scaleUp {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.animate-scale-up {
  animation: scaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Navigation Links */
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 0.875rem;
  border-radius: 0.75rem;
  color: #94a3b8;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.nav-item:hover {
  background: rgba(30, 41, 59, 0.6);
  color: #f8fafc;
}
.nav-item.active {
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.15) 0%, rgba(6, 182, 212, 0.05) 100%);
  color: #34d399;
  font-weight: 600;
  border: 1px solid rgba(16, 185, 129, 0.25);
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.1);
}

/* Voucher Type Tabs */
.vch-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.875rem;
  border-radius: 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}
.vch-tab:hover {
  color: #f8fafc;
  background: rgba(30, 41, 59, 0.5);
}
.vch-tab.active-vch {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}

/* Keyboard Shortcut Badge */
.kbd {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: #38bdf8;
  font-weight: 600;
}

/* Login Screen Background Overlay */
.auth-bg {
  background: radial-gradient(circle at 50% 30%, rgba(16, 185, 129, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
              #050811;
}