/* ========================================
   CSS Variables - Design Tokens
   ======================================== */

:root {
    /* Colors - Dark Theme */
    --color-bg-primary: #0e0e0e;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #252525;
    --color-bg-input: #121212;

    /* Accent Colors — Electric Sunset Orange */
    --color-primary: #FF6B2C;
    --color-primary-dark: #E55A1B;
    --color-primary-light: #FF8A55;

    --color-success: #34d399;
    --color-success-dark: #2ab885;

    --color-warning: #fbbf24;
    --color-warning-dark: #e5ac1c;

    --color-danger: #f87171;
    --color-danger-dark: #ef4444;

    /* Text Colors */
    --color-text-primary: #f0f0f0;
    --color-text-secondary: #8e8e8e;
    --color-text-muted: #777777;

    /* Border Colors */
    --color-border: #2a2a2a;
    --color-border-light: #3a3a3a;

    /* Workout Day Colors — Monochrome orange variants */
    --color-push: #FF6B2C;
    --color-pull: #FF8A55;
    --color-legs: #E55A1B;
    --color-arms: #FFAA7A;
    --color-rest: #6b7280;

    /* Page Section Colors — Unified orange accent */
    --color-page-dashboard: #0e0e0e;
    --color-page-dashboard-accent: #FF6B2C;

    --color-page-workout: #0e0e0e;
    --color-page-workout-accent: #FF6B2C;

    --color-page-library: #0e0e0e;
    --color-page-library-accent: #FF6B2C;

    --color-page-progress: #0e0e0e;
    --color-page-progress-accent: #FF6B2C;

    --color-page-settings: #0e0e0e;
    --color-page-settings-accent: #8e8e8e;

    --color-page-splits: #0e0e0e;
    --color-page-splits-accent: #FF6B2C;

    --color-page-editor: #0e0e0e;
    --color-page-editor-accent: #FF6B2C;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Typography — 3+1 Scale
       MICRO  12px  badges, timestamps, fine print
       BODY   14px  everything: labels, buttons, descriptions, inputs
       HEAD   18px  card titles, section names, emphasis
       TITLE  24px  page headers, wizard questions, hero text
    */
    --font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-display: 'Unbounded', 'DM Sans', sans-serif;
    --font-size-hero: 1.5rem;     /* 24px — HERO (timer, big numbers) */
    --font-size-xs: 0.75rem;      /* 12px — MICRO */
    --font-size-sm: 0.875rem;     /* 14px — BODY */
    --font-size-base: 0.875rem;   /* 14px — BODY (alias) */
    --font-size-md: 0.875rem;     /* 14px — BODY (alias) */
    --font-size-lg: 1.125rem;     /* 18px — HEAD */
    --font-size-xl: 1.125rem;     /* 18px — HEAD (alias) */
    --font-size-2xl: 1.5rem;      /* 24px — TITLE */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Glass */
    --glass-bg: rgba(0, 0, 0, 0.25);
    --glass-bg-heavy: rgba(0, 0, 0, 0.30);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-light: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(2px);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-header: 100;
    --z-nav: 100;
    --z-modal: 200;
    --z-toast: 300;
    --z-timer: 250;

    /* Layout */
    --header-height: 56px;
    --nav-height: 64px;
    --max-width: 600px;
}

/* Light theme */
[data-theme="light"] {
    /* Backgrounds */
    --color-bg-primary: #ebebeb;
    --color-bg-secondary: #f5f5f5;
    --color-bg-tertiary: #e0e0e0;
    --color-bg-input: #eeeeee;

    /* Text Colors */
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #525252;
    --color-text-muted: #7a7a7a;

    /* Border Colors */
    --color-border: #cccccc;
    --color-border-light: #bbbbbb;

    /* Page Section Colors — Unified orange accent */
    --color-page-dashboard: #ebebeb;
    --color-page-dashboard-accent: #E55A1B;

    --color-page-workout: #ebebeb;
    --color-page-workout-accent: #E55A1B;

    --color-page-library: #ebebeb;
    --color-page-library-accent: #E55A1B;

    --color-page-progress: #ebebeb;
    --color-page-progress-accent: #E55A1B;

    --color-page-settings: #ebebeb;
    --color-page-settings-accent: #6b7280;

    --color-page-editor: #ebebeb;
    --color-page-editor-accent: #E55A1B;

    --color-page-splits: #ebebeb;
    --color-page-splits-accent: #E55A1B;

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-bg-heavy: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-border-light: rgba(255, 255, 255, 0.8);
    --glass-blur: blur(2px);

    /* Shadows - softer for light theme */
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
}