/* ============================================================
   PassGuard Web - Cybersecurity Theme & UI Styles
   ============================================================ */

:root {
  --bg-main: #090d16;
  --bg-card: rgba(17, 24, 39, 0.75);
  --border-card: rgba(255, 255, 255, 0.08);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-violet: #8b5cf6;
  --accent-red: #ef4444;
  --accent-amber: #f59e0b;
}

/* Fondo con rejilla cibernética sutil */
body {
  background-color: var(--bg-main);
  background-image: 
    radial-gradient(at 0% 0%, rgba(6, 182, 212, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.08) 0px, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
  min-height: 100vh;
  color: #f3f4f6;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Glassmorphism Cards */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.glass-panel-glow {
  position: relative;
}

.glass-panel-glow::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px; bottom: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3), transparent, rgba(16, 185, 129, 0.3));
  pointer-events: none;
  z-index: -1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(15, 23, 42, 0.6);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Inputs & Range Sliders */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: #1f2937;
  border-radius: 9999px;
  height: 8px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #06b6d4;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.8);
  transition: transform 0.15s ease, background-color 0.15s ease;
  border: 2px solid #ffffff;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: #22d3ee;
}

/* Animations */
@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.pulse-glow {
  animation: pulseGlow 3s infinite ease-in-out;
}

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

.animate-slide-down {
  animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Checkbox Switch Custom */
.custom-checkbox:checked {
  background-color: #06b6d4;
  border-color: #06b6d4;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: #fff;
  font-size: 0.875rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease-out forwards;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Password Display Mono font */
.font-mono-pass {
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  letter-spacing: 0.05em;
  word-break: break-all;
}

/* Tab Active Indicator */
.tab-btn.active {
  background: rgba(6, 182, 212, 0.15);
  color: #22d3ee;
  border-color: rgba(6, 182, 212, 0.4);
}