/* =====================================================
   AiVoice — Theme tokens
   Brand: #3b82f6 · light console shell
   ===================================================== */

:root {
    /* Brand */
    --color-blue: #3b82f6;
    --color-blue-dark: #2563eb;
    --color-blue-soft: #60a5fa;
    --color-white: #ffffff;
    --color-blue-tint: #eff6ff;

    /* Surfaces */
    --color-canvas: #f6f7fb;
    --color-surface: var(--color-white);
    --color-surface-muted: #f0f1f5;

    /* Text — near-black heading ink from landing */
    --color-text: #10141f;
    --color-text-muted: #52607a;
    --color-text-light: #8b9bb5;
    --color-text-on-blue: var(--color-white);

    /* Borders */
    --color-border: #e6e9f1;
    --color-border-strong: #d0d5e0;

    /* Sidebar — light rail */
    --color-sidebar-bg: #ffffff;
    --color-sidebar-border: var(--color-border);
    --color-sidebar-text: #52607a;
    --color-sidebar-text-hover: var(--color-text);
    --color-sidebar-hover-bg: #f3f4f8;
    --color-sidebar-active-bg: #eff6ff;
    --color-sidebar-active-text: var(--color-blue);
    --color-sidebar-active-icon-bg: color-mix(in srgb, var(--color-blue) 14%, #fff);
    --color-sidebar-active-border: var(--color-blue);
    --color-sidebar-active-shadow: none;
    --color-sidebar-section: #8b9bb5;
    --color-sidebar-footer: #8b9bb5;

    /* Header */
    --color-header-bg: var(--color-white);
    --color-header-border: var(--color-border);

    /* Semantic */
    --color-success: #15803d;
    --color-success-light: #dcfce7;
    --color-warning: #d97706;
    --color-warning-light: #fef3c7;
    --color-danger: #b42318;
    --color-danger-light: #fef3f2;
    --color-info: #3b82f6;
    --color-info-light: #eff6ff;
    --color-slate: #475569;

    /* Component aliases */
    --color-brand: var(--color-blue);
    --color-brand-dark: var(--color-blue-dark);
    --color-brand-light: var(--color-blue-tint);
    --color-brand-light-hover: #dbeafe;
    --color-brand-xl: #f8fafc;
    --color-text-on-brand: var(--color-text-on-blue);
    --color-brand-focus: color-mix(in srgb, var(--color-blue) 22%, transparent);
    --color-brand-focus-soft: color-mix(in srgb, var(--color-blue) 12%, transparent);
    --color-overlay: rgba(16, 20, 31, 0.45);
    --color-toggle-off: #d0d5e0;

    /* Layout */
    --sidebar-width: 240px;
    --sidebar-width-collapsed: 68px;
    --sidebar-width-tablet: 240px;
    --sidebar-width-collapsed-tablet: 68px;
    --sidebar-width-mobile: 268px;
    --header-height: 56px;
    --header-height-tablet: 56px;
    --header-height-mobile: 52px;
    --header-height-mobile-sm: 48px;
    --shell-padding-x: 1rem;
    --shell-nav-pad-y: 0.5rem;
    --shell-icon-size: 28px;
    --shell-logo-size: 32px;
    --shell-menu-btn: 32px;
    --content-padding: 0.5rem;
    --page-padding-x: 1.5rem;
    --page-padding-y: 1.25rem;
    --page-max-width: 1280px;
    --page-section-gap: 1.15rem;

    /* Typography */
    --font-family: 'DM Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;

    /* Radius — softer, closer to landing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(16, 20, 31, 0.04);
    --shadow-md: 0 4px 16px rgba(16, 20, 31, 0.06);
    --shadow-lg: 0 12px 32px rgba(16, 20, 31, 0.1);

    /* Motion */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.28s ease;

    /* Scrollbar */
    --scrollbar-size: 3px;
    --scrollbar-track: transparent;
    --scrollbar-thumb: #c8d0dc;
    --scrollbar-thumb-hover: #aab4c4;

    /* Login / auth */
    --gradient-auth: linear-gradient(165deg, #1d4ed8 0%, #3b82f6 45%, #60a5fa 100%);

    /* Legacy aliases */
    --teal: var(--color-blue);
    --teal-d: var(--color-blue-dark);
    --teal-l: var(--color-blue-tint);
    --teal-xl: var(--color-brand-xl);
    --bg: var(--color-canvas);
    --panel: var(--color-surface);
    --ink: var(--color-text);
    --muted: var(--color-text-muted);
    --line: var(--color-border);
    --green: var(--color-success);
    --green-l: var(--color-success-light);
    --amber: var(--color-warning);
    --amber-l: var(--color-warning-light);
    --red: var(--color-danger);
    --red-l: var(--color-danger-light);
    --blue: var(--color-info);
    --blue-l: var(--color-info-light);
    --slate: var(--color-slate);
    --shadow: var(--shadow-sm);
    --radius: var(--radius-lg);
}