/* =============================================================================
   KVM4 Admin Panel — Thème (variables CSS custom properties)
   Dark par défaut, light via data-theme="light"
   ============================================================================= */

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

/* -- Typographie ----------------------------------------------------------- */
:root {
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

    --text-xs: 0.75rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;
    --text-3xl: 2.25rem;

    /* Espacement */
    --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;

    /* Rayons */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --drawer-width: 260px;
    --header-height: 56px;
    --bottom-nav-height: 56px;
    --max-content-width: 1200px;

    /* Z-index */
    --z-drawer: 100;
    --z-overlay: 90;
    --z-header: 80;
    --z-toast: 200;
    --z-modal: 150;
    --z-bottom-nav: 70;
}

/* -- Thème sombre (défaut) ------------------------------------------------- */
:root[data-theme="dark"] {
    --bg-primary: #0f1117;
    --bg-surface: #1a1d27;
    --bg-surface-hover: #22252f;
    --bg-surface-active: #2a2d38;
    --bg-elevated: #252830;
    --bg-input: #1e2029;
    --bg-overlay: rgba(0, 0, 0, 0.6);

    --text-primary: #e4e6eb;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --text-inverse: #0f1117;

    --border-default: #2e3039;
    --border-hover: #3f4150;
    --border-focus: #6366f1;

    --accent: #6366f1;
    --accent-hover: #7c7ff7;
    --accent-subtle: rgba(99, 102, 241, 0.15);

    --success: #22c55e;
    --success-subtle: rgba(34, 197, 94, 0.15);
    --warning: #f59e0b;
    --warning-subtle: rgba(245, 158, 11, 0.15);
    --danger: #ef4444;
    --danger-subtle: rgba(239, 68, 68, 0.15);
    --info: #3b82f6;
    --info-subtle: rgba(59, 130, 246, 0.15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    --scrollbar-track: #1a1d27;
    --scrollbar-thumb: #3f4150;
}

/* -- Thème clair ----------------------------------------------------------- */
:root[data-theme="light"] {
    --bg-primary: #f5f5f7;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f0f0f2;
    --bg-surface-active: #e8e8ec;
    --bg-elevated: #ffffff;
    --bg-input: #f5f5f7;
    --bg-overlay: rgba(0, 0, 0, 0.3);

    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #a1a1aa;
    --text-inverse: #ffffff;

    --border-default: #e4e4e7;
    --border-hover: #d4d4d8;
    --border-focus: #6366f1;

    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-subtle: rgba(99, 102, 241, 0.1);

    --success: #16a34a;
    --success-subtle: rgba(22, 163, 74, 0.1);
    --warning: #d97706;
    --warning-subtle: rgba(217, 119, 6, 0.1);
    --danger: #dc2626;
    --danger-subtle: rgba(220, 38, 38, 0.1);
    --info: #2563eb;
    --info-subtle: rgba(37, 99, 235, 0.1);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

    --scrollbar-track: #f5f5f7;
    --scrollbar-thumb: #d4d4d8;
}

/* -- Base ------------------------------------------------------------------ */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover {
    color: var(--accent-hover);
}

code, pre {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

/* -- Scrollbar custom ------------------------------------------------------ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* -- Utilitaires ----------------------------------------------------------- */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}