/* ============================================
   mail2note Design System
   ============================================ */

:root {
    /* ---- Core Palette ---- */
    --color-slate-950: #0f172a;
    --color-slate-900: #1e293b;
    --color-slate-800: #2d3a4f;
    --color-slate-700: #3d4f6a;
    --color-slate-600: #536785;
    --color-slate-400: #94a3b8;
    --color-slate-300: #b8c4d4;
    --color-slate-200: #dde3ec;
    --color-slate-100: #eef1f6;
    --color-slate-50: #f7f8fb;

    --color-violet-700: #6d28d9;
    --color-violet-600: #7c3aed;
    --color-violet-500: #8b5cf6;
    --color-violet-400: #a78bfa;
    --color-violet-100: #ede9fe;

    --color-indigo-600: #4f46e5;
    --color-indigo-500: #6366f1;

    --color-cream: #faf8f5;
    --color-white: #ffffff;

    /* ---- Semantic Tokens ---- */
    --color-primary: var(--color-slate-950);
    --color-primary-light: var(--color-slate-800);
    --color-text: var(--color-slate-900);
    --color-text-muted: var(--color-slate-600);
    --color-text-subtle: var(--color-slate-400);

    --color-accent: var(--color-violet-600);
    --color-accent-hover: var(--color-violet-700);
    --color-accent-light: var(--color-violet-100);

    --color-success: #166534;
    --color-success-bg: #f0fdf4;
    --color-success-border: #bbf7d0;
    --color-danger: #dc2626;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;
    --color-info: #1e40af;
    --color-info-bg: #eff6ff;
    --color-info-border: #bfdbfe;

    --color-background: var(--color-cream);
    --color-surface: var(--color-white);
    --color-border: var(--color-slate-200);
    --color-border-subtle: var(--color-slate-100);

    --color-menubar: var(--color-slate-950);
    --color-menubar-hover: var(--color-slate-800);
    --color-menubar-text: var(--color-white);

    /* ---- Typography ---- */
    --font-display: 'Gotham Rounded', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Gotham Rounded', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* ---- Spacing ---- */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    --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;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* ---- Borders & Radius ---- */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* ---- Shadows ---- */
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.07), 0 1px 3px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.08), 0 4px 12px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 50px rgba(15, 23, 42, 0.12), 0 8px 20px rgba(15, 23, 42, 0.06);

    /* ---- Transitions ---- */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
    --duration-slow: 400ms;
}

/* ---- Reset ---- */

[x-cloak] {
    display: none !important;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
    color: var(--color-accent-hover);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    line-height: 1.2;
    letter-spacing: -0.01em;
}