/* ZANE AI EXECUTIVE ASSISTANT - THEME
 * Mobile-first, glassmorphism, future tech aesthetic
 * Task #98128
 */

/* ========================================
   FONTS
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&display=swap');

/* ========================================
   CSS VARIABLES
   ======================================== */

:root {
  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Colors - Dark Base */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(0, 212, 255, 0.3);
  --glass-blur: 10px;

  /* Accents - Electric blue + cyan */
  --accent-primary: #00d4ff;
  --accent-secondary: #0095ff;
  --accent-tertiary: #7b2ff7;

  /* Status Colors */
  --status-success: #00ff88;
  --status-warning: #ffaa00;
  --status-error: #ff3366;
  --status-info: #00d4ff;

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #a8b2d1;
  --text-muted: #6b7280;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

  /* Z-index layers */
  --z-base: 0;
  --z-elevated: 10;
  --z-dropdown: 100;
  --z-modal: 1000;
  --z-toast: 2000;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

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

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

/* Animated gradient background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    ellipse at top,
    rgba(0, 212, 255, 0.1) 0%,
    transparent 50%
  ),
  radial-gradient(
    ellipse at bottom,
    rgba(123, 47, 247, 0.1) 0%,
    transparent 50%
  );
  z-index: -1;
  pointer-events: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-secondary);
}

code, pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* ========================================
   GLASSMORPHISM COMPONENTS
   ======================================== */

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-2px);
}

.glass-tile {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.glass-tile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 212, 255, 0.1) 0%,
    rgba(0, 149, 255, 0.1) 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.glass-tile:hover::before {
  opacity: 1;
}

.glass-tile:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-4px);
}

.glass-tile:active {
  transform: translateY(-2px) scale(0.98);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: var(--bg-primary);
  box-shadow: var(--shadow-sm), 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(0, 212, 255, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  backdrop-filter: blur(var(--glass-blur));
}

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-sm), 0 0 15px rgba(0, 212, 255, 0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--glass-bg);
  color: var(--text-primary);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* ========================================
   FORM INPUTS
   ======================================== */

input, textarea, select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  backdrop-filter: blur(var(--glass-blur));
  transition: all var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted);
}

/* ========================================
   STATUS INDICATORS
   ======================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-success {
  background: rgba(0, 255, 136, 0.2);
  color: var(--status-success);
  border: 1px solid rgba(0, 255, 136, 0.3);
}

.status-warning {
  background: rgba(255, 170, 0, 0.2);
  color: var(--status-warning);
  border: 1px solid rgba(255, 170, 0, 0.3);
}

.status-error {
  background: rgba(255, 51, 102, 0.2);
  color: var(--status-error);
  border: 1px solid rgba(255, 51, 102, 0.3);
}

.status-info {
  background: rgba(0, 212, 255, 0.2);
  color: var(--status-info);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.status-dot.green {
  background: var(--status-success);
  box-shadow: 0 0 8px var(--status-success);
}

.status-dot.yellow {
  background: var(--status-warning);
  box-shadow: 0 0 8px var(--status-warning);
}

.status-dot.red {
  background: var(--status-error);
  box-shadow: 0 0 8px var(--status-error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ========================================
   LOADING & ANIMATIONS
   ======================================== */

.loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.fade-in {
  animation: fadeIn var(--transition-base) ease-in;
}

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

.slide-up {
  animation: slideUp var(--transition-base) ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-in-right {
  animation: slideInRight var(--transition-base) ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.flex {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.text-center {
  text-align: center;
}

.text-sm {
  font-size: 0.875rem;
}

.text-xs {
  font-size: 0.75rem;
}

.text-muted {
  color: var(--text-muted);
}

.text-secondary {
  color: var(--text-secondary);
}

.font-mono {
  font-family: var(--font-mono);
}

.font-display {
  font-family: var(--font-display);
}

.hidden {
  display: none;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  h1 {
    font-size: 2rem;
  }

  .glass-card, .glass-tile {
    padding: var(--spacing-md);
  }
}