/* ============================================================
   TRANSCRIPTION STUDIO - MASTER DESIGN SYSTEM
   Clean, modern, high-tier styling with crisp white default theme,
   refined borders, vibrant accents, and smooth micro-interactions.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Surface colors (Light - Crisp White) */
  --bg-page: #FFFFFF;
  --bg-canvas: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-input: #F1F5F9;
  --bg-input-focus: #FFFFFF;
  --bg-subtle: #F1F5F9;
  
  /* Borders */
  --border-light: #E2E8F0;
  --border-card: #E2E8F0;
  --border-focus: #3B82F6;
  
  /* Text colors */
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-subtle: #94A3B8;
  --text-inverse: #FFFFFF;

  /* Vibrant Accent Palette */
  --accent-primary: #2563EB;
  --accent-hover: #1D4ED8;
  --accent-light: #EFF6FF;
  --accent-ring: rgba(37, 99, 235, 0.2);

  --success: #16A34A;
  --success-light: #DCFCE7;
  --success-text: #15803D;

  --warning: #D97706;
  --warning-light: #FEF3C7;
  --warning-text: #B45309;

  --danger: #DC2626;
  --danger-light: #FEE2E2;
  --danger-text: #B91C1C;
  --danger-hover: #B91C1C;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.09), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-hover: 0 14px 28px rgba(15, 23, 42, 0.09), 0 10px 10px rgba(15, 23, 42, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 240ms cubic-bezier(0.4, 0, 0.2, 1);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 32px;
  --radius-xl: 42px;
  --radius-full: 9999px;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-page: #0B0E14;
  --bg-canvas: #0F131C;
  --bg-card: #151A24;
  --bg-card-hover: #1C2331;
  --bg-input: #10141D;
  --bg-input-focus: #181E2C;
  --bg-subtle: #19202E;

  --border-light: #222B3D;
  --border-card: #222B3D;
  --border-focus: #3B82F6;

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --text-subtle: #475569;
  --text-inverse: #0F172A;

  --accent-primary: #3B82F6;
  --accent-hover: #60A5FA;
  --accent-light: rgba(59, 130, 246, 0.15);
  --accent-ring: rgba(59, 130, 246, 0.35);

  --success: #22C55E;
  --success-light: rgba(34, 197, 94, 0.15);
  --success-text: #4ADE80;

  --danger: #EF4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --danger-text: #F87171;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 20px 30px rgba(0, 0, 0, 0.7);
  --shadow-hover: 0 14px 28px rgba(0, 0, 0, 0.7);
}

/* Base Reset & Standards */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
  border-radius: 8px;
}

input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons - Sleek Rectangular with a bit rounded edges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn-pill {
  border-radius: var(--radius-full) !important;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  box-shadow: 0 3px 8px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-light);
}

.btn-success {
  background-color: var(--success-light);
  color: var(--success-text);
  border: 1px solid rgba(22, 163, 74, 0.2);
}

.btn-danger-dull {
  background-color: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid rgba(220, 38, 38, 0.2);
}

.btn-danger-dull:hover {
  background-color: var(--danger-hover);
  color: #FFFFFF;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.82rem;
  border-radius: var(--radius-full);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-full);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
}

.badge-primary {
  background: var(--accent-light);
  color: var(--accent-primary);
}

.badge-success {
  background: var(--success-light);
  color: var(--success-text);
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger-text);
}

/* Cards with clean hover effect */
.hover-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.hover-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--shadow-hover);
}

/* Modal Backdrop */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 28px;
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalScaleUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  line-height: 0;
  box-sizing: border-box;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.modal-close svg {
  display: block;
  pointer-events: none;
  margin: auto;
}

.modal-close:hover {
  background: var(--danger-light);
  color: var(--danger);
  transform: scale(1.05);
}