/* TradeMind AI SaaS Design System Tokens — Apple, Linear, Vercel & Stripe Aesthetic */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;1,14..32,400&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* ==========================================
     PHASE 1 — COLOR TOKENS
     ========================================== */
  --bg-primary: #090D16;
  --bg-secondary: #0E1525;
  --bg-surface: #121B2D;
  --bg-elevated: #18243C;
  --bg-glass: rgba(14, 21, 37, 0.75);

  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;

  --accent-blue: #3B82F6;
  --accent-cyan: #06B6D4;
  --accent-purple: #8B5CF6;

  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.12);
  --success-border: rgba(16, 185, 129, 0.3);

  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.12);
  --warning-border: rgba(245, 158, 11, 0.3);

  --danger: #EF4444;
  --danger-bg: rgba(239, 68, 68, 0.12);
  --danger-border: rgba(239, 68, 68, 0.3);

  --color-teal: #00C9A7;
  --color-teal-bg: rgba(0, 201, 167, 0.12);
  --color-teal-border: rgba(0, 201, 167, 0.3);

  --color-gold: #F6C90E;
  --color-gold-bg: rgba(246, 201, 14, 0.12);
  --color-gold-border: rgba(246, 201, 14, 0.3);

  --border: #1E293B;
  --border-subtle: #162032;
  --border-hover: #334155;
  --border-focus: #3B82F6;

  /* ==========================================
     PHASE 3 — SPACING SCALE
     ========================================== */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --space-16: 64px;

  /* ==========================================
     PHASE 4 — BORDER RADIUS SCALE
     ========================================== */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 9999px;

  --radius-card: var(--radius-lg);
  --radius-button: var(--radius-md);
  --radius-input: var(--radius-md);

  /* ==========================================
     PHASE 5 — SHADOW SYSTEM
     ========================================== */
  --shadow-sm:    0 1px 3px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.15);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.35), 0 2px 4px rgba(0,0,0,0.2);
  --shadow-lg:    0 12px 32px rgba(0,0,0,0.45), 0 4px 12px rgba(0,0,0,0.28);
  --shadow-glass: 0 8px 32px 0 rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
  --shadow-hover: 0 14px 36px rgba(0,201,167,0.12), 0 4px 12px rgba(0,0,0,0.35);
  --shadow-teal:  0 0 20px rgba(0,201,167,0.2);
  --shadow-card:  0 1px 1px rgba(0,0,0,0.04), 0 4px 20px rgba(0,0,0,0.28);
  --shadow-float: 0 20px 60px rgba(0,0,0,0.5), 0 8px 24px rgba(0,0,0,0.3);
  --shadow-focus-ring: 0 0 0 3px rgba(0,201,167,0.2);

  /* ==========================================
     PHASE 2 — TYPOGRAPHY SYSTEM
     ========================================== */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast:   0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Custom Webkit & Firefox Scrollbars */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-sm);
}

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

/* Focus Ring Reset */
*:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* ==========================================
   TYPOGRAPHY CLASSES
   ========================================== */
.typo-display {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .typo-display {
    font-size: 40px;
  }
}

.typo-h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-primary);
}

@media (min-width: 768px) {
  .typo-h1 {
    font-size: 28px;
  }
}

.typo-h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--text-primary);
}

.typo-h3 {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  color: var(--text-primary);
}

.typo-body-lg {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
}

.typo-body {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-primary);
}

.typo-small {
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-secondary);
}

.typo-caption {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.typo-mono {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}

/* Dynamic Page Utilities */
.page-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .page-title {
    font-size: 24px;
  }
}

.page-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: var(--space-6);
}

/* Utility Card fallback */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  border-color: var(--border-hover);
}

/* Glass Card class */
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-glass);
}

/* Reason Items */
.reason-item {
  padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--accent-cyan);
  background: var(--bg-elevated);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 12.5px;
  color: var(--text-primary);
  line-height: 1.5;
}

/* Indicator Animations */
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-teal);
  animation: pulse 2s infinite;
  display: inline-block;
  margin-right: 4px;
}

.dot-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal);
  animation: pulse 1s infinite;
  flex-shrink: 0;
}

.dot-done {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal);
  flex-shrink: 0;
}

.dot-idle {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.fade-in {
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}