/* ═══════════════════════════════════════════════════════════
   EMMACULATE CRM — Design Tokens
   Premium Photography CRM Design System
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── Primary Colors ── */
  --color-navy: #0F172A;
  --color-navy-light: #1E293B;
  --color-navy-lighter: #334155;
  --color-blue: #2563EB;
  --color-blue-light: #3B82F6;
  --color-blue-dark: #1D4ED8;
  --color-blue-50: rgba(37, 99, 235, 0.08);
  --color-blue-100: rgba(37, 99, 235, 0.15);

  /* ── Semantic Colors ── */
  --color-success: #10B981;
  --color-success-light: #34D399;
  --color-success-bg: rgba(16, 185, 129, 0.1);
  --color-warning: #F59E0B;
  --color-warning-light: #FBBF24;
  --color-warning-bg: rgba(245, 158, 11, 0.1);
  --color-danger: #EF4444;
  --color-danger-light: #F87171;
  --color-danger-bg: rgba(239, 68, 68, 0.1);
  --color-info: #6366F1;
  --color-info-bg: rgba(99, 102, 241, 0.1);

  /* ── Neutral Palette ── */
  --color-white: #FFFFFF;
  --color-gray-50: #F8FAFC;
  --color-gray-100: #F1F5F9;
  --color-gray-200: #E2E8F0;
  --color-gray-300: #CBD5E1;
  --color-gray-400: #94A3B8;
  --color-gray-500: #64748B;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1E293B;
  --color-gray-900: #0F172A;

  /* ── Light Mode (default) ── */
  --bg-primary: #F8FAFC;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  --bg-input: #F8FAFC;
  --bg-nav: #FFFFFF;
  --bg-modal: #FFFFFF;
  --bg-overlay: rgba(15, 23, 42, 0.5);
  --bg-splash: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  --text-inverse: #FFFFFF;
  --text-link: #2563EB;

  --border-color: #E2E8F0;
  --border-light: #F1F5F9;
  --border-focus: #2563EB;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.03);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.06), 0 4px 6px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px rgba(15, 23, 42, 0.03);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-card-hover: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.03);
  --shadow-nav: 0 -1px 0 rgba(15, 23, 42, 0.04);
  --shadow-blue: 0 4px 14px rgba(37, 99, 235, 0.3);

  /* ── Nav specific ── */
  --nav-active: #2563EB;
  --nav-inactive: #94A3B8;
  --nav-bg: #FFFFFF;
  --nav-border: #F1F5F9;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --bg-primary: #0B1120;
  --bg-secondary: #111827;
  --bg-tertiary: #1E293B;
  --bg-card: #151F32;
  --bg-input: #1E293B;
  --bg-nav: #111827;
  --bg-modal: #151F32;
  --bg-overlay: rgba(0, 0, 0, 0.6);

  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  --text-inverse: #0F172A;

  --border-color: #1E293B;
  --border-light: #1E293B;
  --border-focus: #3B82F6;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.15);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.35);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.2), 0 2px 4px rgba(0, 0, 0, 0.12);
  --shadow-nav: 0 -1px 0 rgba(255, 255, 255, 0.05);
  --shadow-blue: 0 4px 14px rgba(37, 99, 235, 0.25);

  --nav-active: #3B82F6;
  --nav-inactive: #64748B;
  --nav-bg: #111827;
  --nav-border: #1E293B;
}

/* ── Typography ── */
:root {
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Type Scale — constrained for mobile */
  --text-xs: 0.6875rem;   /* 11px */
  --text-sm: 0.8125rem;   /* 13px */
  --text-base: 0.875rem;  /* 14px */
  --text-md: 1rem;        /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */

  /* Font Weights — max 2 for consistency */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 600; /* Mapped to semibold for visual consistency */

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* Letter Spacing */
  --tracking-tight: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.01em;
  --tracking-wider: 0.04em;
}

/* ── Spacing (4px system) ── */
:root {
  --space-0: 0;
  --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-16: 64px;
  --space-20: 80px;
}

/* ── Border Radius ── */
:root {
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;
}

/* ── Transitions ── */
:root {
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 450ms;

  --transition-fast: all 150ms var(--ease-default);
  --transition-normal: all 200ms var(--ease-default);
  --transition-slow: all 300ms var(--ease-default);
  --transition-theme: background-color 250ms var(--ease-default),
    color 250ms var(--ease-default),
    border-color 250ms var(--ease-default),
    box-shadow 250ms var(--ease-default);
}

/* ── Gradients ── */
:root {
  --gradient-blue: linear-gradient(135deg, #2563EB, #3B82F6);
  --gradient-navy: linear-gradient(135deg, #0F172A, #1E293B);
  --gradient-success: linear-gradient(135deg, #059669, #10B981);
  --gradient-warning: linear-gradient(135deg, #D97706, #F59E0B);
  --gradient-danger: linear-gradient(135deg, #DC2626, #EF4444);
  --gradient-premium: linear-gradient(135deg, #1E293B 0%, #2563EB 100%);
  --gradient-card: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(37, 99, 235, 0.01));
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
}

[data-theme="dark"] {
  --gradient-card: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(37, 99, 235, 0.02));
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

/* ── Z-Index Scale ── */
:root {
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-nav: 500;
  --z-modal-backdrop: 900;
  --z-modal: 1000;
  --z-toast: 1100;
  --z-tooltip: 1200;
}

/* ── Layout ── */
:root {
  --nav-height: 56px;
  --bottom-nav-height: 64px;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --content-max-width: 480px;
  --page-padding: var(--space-4);
}