/* ============================================
   TradeAon - Modern SaaS Theme
   Clean, Unified, Easy-on-the-Eyes Design
   Inspired by Notion, Linear, Stripe
   ============================================ */

:root {
  /* Primary Palette - Soft Indigo/Slate */
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-200: #c7d2fe;
  --primary-300: #a5b4fc;
  --primary-400: #818cf8;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;

  /* Accent Colors - Teal */
  --accent-400: #2dd4bf;
  --accent-500: #14b8a6;
  --accent-600: #0d9488;

  /* Neutral Palette */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --gray-950: #020617;

  /* Semantic Colors */
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.1);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.1);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.1);
  --info: #06b6d4;
  --info-light: rgba(6, 182, 212, 0.1);

  /* Mesh Gradient Colors */
  --mesh-1: #f8fafc;
  --mesh-2: #eef2ff;
  --mesh-3: #f0fdfa;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.08);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --mesh-1: #0f172a;
  --mesh-2: #1e1b4b;
  --mesh-3: #134e4a;

  --glass-bg: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ============================================
   Mesh Gradient Background
   ============================================ */
.mesh-gradient-bg {
  background-color: var(--mesh-1);
  background-image:
    radial-gradient(at 0% 0%, var(--mesh-2) 0px, transparent 50%),
    radial-gradient(at 100% 0%, var(--mesh-3) 0px, transparent 50%),
    radial-gradient(at 100% 100%, var(--mesh-2) 0px, transparent 50%),
    radial-gradient(at 0% 100%, var(--mesh-3) 0px, transparent 50%);
  min-height: 100vh;
}

/* Animated Mesh (subtle movement) */
.mesh-gradient-animated {
  background-color: var(--mesh-1);
  background-image:
    radial-gradient(at 0% 0%, var(--mesh-2) 0px, transparent 50%),
    radial-gradient(at 100% 0%, var(--mesh-3) 0px, transparent 50%),
    radial-gradient(at 100% 100%, var(--mesh-2) 0px, transparent 50%),
    radial-gradient(at 0% 100%, var(--mesh-3) 0px, transparent 50%);
  background-size: 200% 200%;
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%, 100% { background-position: 0% 0%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
}

/* ============================================
   Glassmorphism Cards
   ============================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(99, 102, 241, 0.12);
}

[data-theme="dark"] .glass-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Elevated Glass Card */
.glass-card-elevated {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 10px 15px -3px rgba(0, 0, 0, 0.05),
    0 20px 25px -5px rgba(0, 0, 0, 0.05);
  padding: 2rem;
}

/* ============================================
   Modern Buttons
   ============================================ */
.btn-modern {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--gray-700);
  backdrop-filter: blur(8px);
}

[data-theme="dark"] .btn-secondary {
  color: var(--gray-200);
}

.btn-secondary:hover {
  background: var(--gray-100);
  border-color: var(--gray-300);
}

[data-theme="dark"] .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

[data-theme="dark"] .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

/* ============================================
   Navigation Pills (Tab Style)
   ============================================ */
.nav-pills {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
}

.nav-pill {
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .nav-pill {
  color: var(--gray-400);
}

.nav-pill:hover {
  color: var(--gray-900);
  background: rgba(99, 102, 241, 0.08);
}

[data-theme="dark"] .nav-pill:hover {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.nav-pill.active {
  background: white;
  color: var(--primary-600);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .nav-pill.active {
  background: var(--primary-600);
  color: white;
}

/* ============================================
   Headers & Typography
   ============================================ */
.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

[data-theme="dark"] .page-title {
  color: white;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--gray-500);
  font-weight: 400;
  line-height: 1.6;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 1rem;
}

[data-theme="dark"] .section-title {
  color: var(--gray-200);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--accent-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Form Elements
   ============================================ */
.input-modern {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--gray-900);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .input-modern {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.input-modern:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* ============================================
   Status Indicators
   ============================================ */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-dot.offline {
  background: var(--gray-400);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

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

.status-badge.warning {
  background: var(--warning-light);
  color: var(--warning);
}

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

/* ============================================
   Feature Icons
   ============================================ */
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.25rem;
}

.feature-icon.indigo {
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--primary-200) 100%);
  color: var(--primary-600);
}

.feature-icon.teal {
  background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%);
  color: var(--accent-600);
}

.feature-icon.amber {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #d97706;
}

.feature-icon.rose {
  background: linear-gradient(135deg, #ffe4e6 0%, #fecdd3 100%);
  color: #e11d48;
}

[data-theme="dark"] .feature-icon.indigo {
  background: rgba(99, 102, 241, 0.15);
}

[data-theme="dark"] .feature-icon.teal {
  background: rgba(20, 184, 166, 0.15);
}

[data-theme="dark"] .feature-icon.amber {
  background: rgba(245, 158, 11, 0.15);
}

[data-theme="dark"] .feature-icon.rose {
  background: rgba(239, 68, 68, 0.15);
}

/* ============================================
   Dividers & Separators
   ============================================ */
.divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--gray-200) 20%,
    var(--gray-200) 80%,
    transparent 100%
  );
  margin: 2rem 0;
}

[data-theme="dark"] .divider {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 20%,
    rgba(255, 255, 255, 0.1) 80%,
    transparent 100%
  );
}

/* ============================================
   Utility Classes
   ============================================ */
.text-muted {
  color: var(--gray-500);
}

.text-primary {
  color: var(--primary-500);
}

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

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

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

/* Whitespace utilities */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

[data-theme="dark"] ::-webkit-scrollbar-track {
  background: var(--gray-800);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: var(--gray-600);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
  background: var(--gray-500);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

.animate-fade-in {
  animation: fadeIn 0.3s ease-out;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Staggered animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }