/* ============================================
   THEME: SWISS PRECISION
   Clean white backgrounds, sharp black typography
   Grid-based, confident clarity
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Libre+Franklin:wght@400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root,
.theme-swiss {
    /* === Color Palette - LIGHT backgrounds, DARK text === */
    --color-ink: #1a1a1a;
    --color-ink-secondary: #2d2d2d;
    --color-ink-tertiary: #404040;
    --color-text: #404040;
    --color-text-muted: #666666;
    --color-text-subtle: #888888;
    --color-border: #1a1a1a;
    --color-border-light: #e0e0e0;
    --color-surface: #ffffff;
    --color-surface-elevated: #ffffff;
    --color-surface-subtle: #f8f8f8;
    --color-background: #ffffff;

    /* Accent: Steel Blue - professional, industrial, NOT alarming */
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-accent-text: #ffffff;
    --color-accent-subtle: #dbeafe;

    /* Secondary accent for highlights */
    --color-highlight: #1a1a1a;
    --color-highlight-text: #ffffff;

    /* === Typography === */
    --font-display: 'Libre Franklin', Helvetica, Arial, sans-serif;
    --font-body: 'Libre Franklin', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 15px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 42px;
    --font-size-hero: clamp(42px, 6vw, 72px);
    --font-size-section: clamp(28px, 4vw, 40px);

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

    --line-height-tight: 1;
    --line-height-snug: 1.15;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.6;

    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.02em;
    --letter-spacing-wider: 0.05em;

    /* === Spacing === */
    --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;

    /* === Layout === */
    --container-max: 1200px;
    --container-padding: 24px;
    --nav-height: 64px;
    --section-padding: 80px;

    /* === Borders - SHARP, no radius === */
    --radius-none: 0;
    --radius-sm: 0;
    --radius-md: 0;
    --radius-lg: 0;
    --radius-xl: 0;
    --radius-full: 0;
    --border-width: 1px;
    --border-style: solid;

    /* === Shadows - FLAT, no shadows === */
    --shadow-none: none;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --shadow-card: none;

    /* === Transitions === */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* === Component-specific === */
    --card-border: var(--border-width) var(--border-style) var(--color-border);
    --card-gap: 1px;
    --card-bg-gap: var(--color-ink);
    --input-border: var(--border-width) var(--border-style) var(--color-border-light);
    --input-focus-border: var(--border-width) var(--border-style) var(--color-border);
    --divider: var(--border-width) var(--border-style) var(--color-border);
    --divider-light: var(--border-width) var(--border-style) var(--color-border-light);

    /* === Button specifics === */
    --btn-padding-x: 24px;
    --btn-padding-y: 12px;
    --btn-font-size: var(--font-size-sm);
    --btn-font-weight: var(--font-weight-semibold);

    /* === Form specifics === */
    --input-padding-x: 14px;
    --input-padding-y: 12px;
    --input-font-size: 14px;
    --label-font-size: var(--font-size-xs);
    --label-transform: uppercase;
    --label-spacing: var(--letter-spacing-wider);

    /* === Hero section - WHITE bg, BLACK text (true Swiss) === */
    --hero-bg: var(--color-surface);
    --hero-text: var(--color-ink);
    --hero-text-muted: var(--color-text);
    --hero-accent: var(--color-ink);

    /* Stats use INK color, not accent - pure Swiss restraint */
    --stat-value-color: var(--color-ink);
}

/* Swiss-specific global styles */
.theme-swiss {
    background: var(--color-background);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

/* Swiss divider style - strong black line */
.theme-swiss .divider {
    border: none;
    border-top: var(--divider);
    margin: var(--space-16) 0;
}

/* Swiss section header with number grid */
.theme-swiss .section-header {
    margin-bottom: var(--space-12);
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--space-6);
    align-items: baseline;
}

.theme-swiss .section-number {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
}

/* Swiss cards use 1px gap grid with black lines showing through */
.theme-swiss .card-grid {
    display: grid;
    gap: var(--card-gap);
    background: var(--card-bg-gap);
    border: var(--card-border);
}

.theme-swiss .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.theme-swiss .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.theme-swiss .card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

/* Swiss table styling */
.theme-swiss .table {
    border-collapse: collapse;
    width: 100%;
}

.theme-swiss .table th,
.theme-swiss .table td {
    border: var(--divider);
    padding: var(--space-3) var(--space-4);
    text-align: left;
}

.theme-swiss .table th {
    background: var(--color-ink);
    color: var(--color-surface);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.theme-swiss .table tr:hover {
    background: var(--color-surface-subtle);
}

/* Hero section for Swiss - clean and bold */
.theme-swiss .hero-section {
    background: var(--color-surface);
    border-bottom: var(--divider);
    padding: var(--space-20) 0;
}

.theme-swiss .hero-section h1 {
    font-family: var(--font-display);
    font-size: var(--font-size-hero);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-ink);
}

.theme-swiss .hero-section p {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    max-width: 600px;
}

/* Stat cards with accent border */
.theme-swiss .stat-card {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-4);
}

.theme-swiss .stat-value {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-ink);
}

.theme-swiss .stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-top: var(--space-1);
}

/* Buttons */
.theme-swiss .btn-primary {
    background: var(--color-ink);
    color: var(--color-surface);
    border: var(--border-width) var(--border-style) var(--color-ink);
}

.theme-swiss .btn-primary:hover {
    background: var(--color-ink-secondary);
}

.theme-swiss .btn-accent {
    background: var(--color-accent);
    color: var(--color-accent-text);
    border: var(--border-width) var(--border-style) var(--color-accent);
}

.theme-swiss .btn-accent:hover {
    background: var(--color-accent-hover);
}

/* Badge colors */
.theme-swiss .badge-open {
    background: #dcfce7;
    color: #166534;
}

.theme-swiss .badge-limited {
    background: #fef3c7;
    color: #92400e;
}

.theme-swiss .badge-full {
    background: #fee2e2;
    color: #991b1b;
}