/* ==========================================================
   Theme — CSS variables, dark mode, global reset, body base
   Merged from app.css and tailwind.css variable systems
   ========================================================== */

/* App shell variables (index.ejs) */
:root {
    --bg: #f5f5f5;
    --card: #fff;
    --text: #222;
    --text2: #666;
    --text3: #999;
    --border: #e5e5e5;
    --blue: #2563eb;
    --green: #16a34a;
    --red: #dc2626;
    --orange: #ea580c;
    --yellow: #ca8a04;
    --radius: 8px;

    /* Login / change-password page variables (login.ejs, change-password.ejs) */
    --primary-color: #4f46e5;
    --secondary-color: #3b82f6;
    --accent-color: #818cf8;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f3f4f6;
    --card-background: #ffffff;
    --text-color: #374151;
    --text-light: #9ca3af;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
    --bg: #18181b;
    --card: #27272a;
    --text: #e4e4e7;
    --text2: #a1a1aa;
    --text3: #71717a;
    --border: #3f3f46;

    --background-color: #1f2937;
    --text-color: #f3f4f6;
    --primary-color: #6366f1;
    --secondary-color: #60a5fa;
    --danger-color: #f87171;
    --success-color: #34d399;
    --warning-color: #fbbf24;
    --card-background: #111827;
    --border-color: #374151;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s, color 0.3s;
}