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

    html {
        overflow-y: scroll;
    }

    :root {
        --bg: #f5f5f3;
        --surface: #ffffff;
        --border: rgba(0,0,0,0.1);
        --text: #1a1a1a;
        --muted: #666;
        --accent: #185FA5;
        --accent-bg: #E6F1FB;
        --success-bg: #EAF3DE;
        --success: #3B6D11;
        --danger-bg: #FCEBEB;
        --danger: #A32D2D;
        --warning-bg: #FAEEDA;
        --warning: #854F0B;
        --radius: 10px;
        --nav-h: 56px;
        --sidebar-w: 260px;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        background: var(--bg);
        color: var(--text);
        min-height: 100vh;
        scrollbar-gutter: stable;
    }

    /* LOGIN */
    .login-wrap {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 1rem;
    }

    .login-card {
        background: var(--surface);
        border: 0.5px solid var(--border);
        border-radius: var(--radius);
        padding: 2rem;
        width: 100%;
        max-width: 360px;
    }

    .login-logo {
        font-size: 16px;
        font-weight: 500;
        margin-bottom: 0.25rem;
    }

    .login-sub {
        font-size: 12px;
        color: var(--muted);
        margin-bottom: 1.5rem;
    }

    .form-label {
        font-size: 12px;
        color: var(--muted);
        margin-bottom: 4px;
        display: block;
    }

    .form-input {
        width: 100%;
        padding: 9px 12px;
        border: 0.5px solid var(--border);
        border-radius: 8px;
        font-size: 14px;
        color: var(--text);
        background: var(--surface);
        outline: none;
        margin-bottom: 1rem;
    }

        .form-input:focus {
            border-color: var(--accent);
        }

    .btn-primary {
        width: 100%;
        padding: 10px;
        background: var(--accent);
        color: white;
        border: none;
        border-radius: 8px;
        font-size: 14px;
        cursor: pointer;
        font-weight: 500;
    }

        .btn-primary:hover {
            opacity: 0.9;
        }

    .login-error {
        font-size: 12px;
        color: var(--danger);
        margin-top: 0.75rem;
        text-align: center;
        display: none;
    }

    /* DARK MODE */
    html.dark {
        --bg: #1c1c1e;
        --surface: #2c2c2e;
        --border: rgba(255,255,255,0.1);
        --text: #f2f2f7;
        --muted: #8e8e93;
        --accent: #5ba3e0;
        --accent-bg: #1a3352;
        --success-bg: #1c2d1c;
        --success: #6db86d;
        --danger-bg: #2d1c1c;
        --danger: #e57373;
        --warning-bg: #2d2210;
        --warning: #e0a040;
    }