/* HOLIDAY OS HOME - Modern Dark UI */
:root {
    color-scheme: dark;
    --bg: #101521;
    --surface: #1c2536;
    --border: #344158;
    --text: #f3f6fc;
    --muted: #9baac1;
    --accent: #75b8ff;
    --danger: #ff7385;
    font-family: system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
button, input { font: inherit; }
button {
    padding: 12px 20px;
    border: 0;
    border-radius: 10px;
    background: var(--accent);
    color: var(--bg);
    font-weight: bold;
    cursor: pointer;
}
button:hover { filter: brightness(1.12); }
input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
}
label { display: block; margin: 12px 0 6px; }
.login-page {
    width: min(440px, calc(100% - 32px));
    margin: 10vh auto;
    padding: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
}
.login-page button { width: 100%; margin-top: 24px; }
.dashboard-page {
    width: min(1200px, calc(100% - 32px));
    margin: 40px auto;
}
[role="alert"] { color: var(--danger); }
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
}
@media (max-width: 600px) {
    .login-page { margin: 24px auto; padding: 24px; }
    .dashboard-page { margin: 24px auto; }
}


/* HOME DASHBOARD LAYOUT */

.home-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    min-height: 100vh;
}

.home-sidebar {
    display: flex;
    flex-direction: column;
    gap: 35px;
    padding: 28px 20px;
    background: var(--surface);
    border-right: 1px solid var(--border);
}

.home-brand {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.home-brand strong {
    font-size: 21px;
    color: var(--accent);
}

.home-brand small {
    color: var(--muted);
    letter-spacing: 1px;
}

.home-sidebar nav a {
    display: block;
    padding: 13px 16px;
    border-radius: 10px;
    background: #273956;
    color: var(--text);
    text-decoration: none;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.sidebar-footer p {
    color: var(--muted);
}

.sidebar-footer button {
    width: 100%;
}

.home-main {
    min-width: 0;
    padding: 42px;
}

.home-header {
    margin-bottom: 42px;
}

.home-header > p:first-child {
    color: var(--accent);
    font-size: 12px;
    letter-spacing: 2px;
}

.home-header h1 {
    margin: 8px 0;
    font-size: clamp(30px, 4vw, 44px);
}

.home-header p {
    color: var(--muted);
}

.home-modules h2 {
    margin-bottom: 24px;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.module-card {
    min-width: 0;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--surface);
}

.module-icon {
    display: block;
    margin-bottom: 20px;
    font-size: 32px;
}

.module-card h3 {
    margin: 0 0 8px;
    font-size: 19px;
}

.module-card p {
    color: var(--muted);
}

.module-card small {
    display: inline-block;
    margin-top: 12px;
    color: var(--accent);
}

@media (max-width: 1100px) {
    .module-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 750px) {
    .home-layout {
        grid-template-columns: 1fr;
    }

    .home-sidebar {
        gap: 16px;
        padding: 18px;
    }

    .sidebar-footer {
        margin-top: 0;
    }

    .home-main {
        padding: 24px 16px;
    }
}

@media (max-width: 480px) {
    .module-grid {
        grid-template-columns: 1fr;
    }
}