:root {
    --vrc-bg: #0e1013;
    --vrc-panel: #1a2026;
    --vrc-panel-2: #2d363f;
    --vrc-card: #232b33;
    --vrc-border: #2d363f;
    --vrc-primary: #1fd1ed;
    --vrc-primary-hover: #41d8f0;
    --vrc-link: #66b0ff;
    --vrc-text: #f8f9fa;
    --vrc-muted: #9baaba;
    --vrc-topbar-h: 56px;
    --vrc-sidebar-w: 224px;
    --vrc-radius: .25rem;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--vrc-bg);
    color: var(--vrc-text);
    font-family: "Noto Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
}

a {
    color: var(--vrc-link);
    text-decoration: none;
}

a:hover {
    color: #85c0ff;
}

/* ---------- Top bar ---------- */

.vrc-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--vrc-topbar-h);
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 0 1rem;
    background: var(--vrc-panel);
    border-bottom: 1px solid var(--vrc-border);
    z-index: 1030;
}

.vrc-brand {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -.5px;
    color: #fff;
    margin-right: .5rem;
}

.vrc-brand:hover {
    color: #fff;
}

.vrc-menu-toggle {
    display: none;
}

.vrc-search {
    flex: 1 1 auto;
    max-width: 520px;
    display: flex;
    align-items: center;
    gap: .5rem;
    background: var(--vrc-bg);
    border: 1px solid var(--vrc-border);
    border-radius: 50rem;
    padding: .35rem .9rem;
}

.vrc-search i {
    color: var(--vrc-muted);
}

.vrc-search input {
    flex: 1;
    background: transparent;
    border: 0;
    outline: 0;
    color: var(--vrc-text);
    font-size: .9rem;
}

.vrc-search input::placeholder {
    color: #5f6b76;
}

.vrc-topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: .35rem;
}

.vrc-topbar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: transparent;
    border: 0;
    color: var(--vrc-muted);
    font-size: 1.15rem;
}

.vrc-topbar-btn:hover {
    background: var(--vrc-panel-2);
    color: #fff;
}

.vrc-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--vrc-primary);
    color: #0a0a0d;
    border: 0;
    border-radius: var(--vrc-radius);
    font-weight: 600;
    font-size: .9rem;
    padding: .45rem 1.1rem;
    white-space: nowrap;
}

.vrc-btn-primary:hover {
    background: var(--vrc-primary-hover);
    color: #0a0a0d;
}

/* ---------- Sidebar ---------- */

.vrc-sidebar {
    position: fixed;
    top: var(--vrc-topbar-h);
    bottom: 0;
    left: 0;
    width: var(--vrc-sidebar-w);
    padding: .75rem .5rem;
    background: var(--vrc-panel);
    border-right: 1px solid var(--vrc-border);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1020;
}

.vrc-nav {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.vrc-navitem {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .55rem .75rem;
    border-radius: var(--vrc-radius);
    color: var(--vrc-muted);
    font-size: .95rem;
    font-weight: 500;
}

.vrc-navitem i {
    width: 1.25rem;
    text-align: center;
    font-size: 1.05rem;
}

.vrc-navitem:hover {
    background: var(--vrc-panel-2);
    color: var(--vrc-text);
}

.vrc-navitem.active {
    background: rgba(31, 209, 237, .14);
    color: var(--vrc-primary);
    font-weight: 600;
}

.vrc-navitem.disabled {
    color: #49535d;
    pointer-events: none;
}

/* ---------- Content ---------- */

.vrc-content {
    margin-left: var(--vrc-sidebar-w);
    padding-top: var(--vrc-topbar-h);
    min-height: 100vh;
}

.vrc-content-inner {
    padding: 1.75rem;
    max-width: 1440px;
}

.vrc-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.25rem;
}

.vrc-section-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
    margin: 1.5rem 0 1rem;
}

/* ---------- Cards ---------- */

.vrc-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--vrc-card);
    border: 1px solid var(--vrc-border);
    border-radius: var(--vrc-radius);
    overflow: hidden;
    color: inherit;
    transition: border-color .15s ease;
}

.vrc-card:hover {
    border-color: var(--vrc-primary);
    color: inherit;
}

.vrc-thumb {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: rgba(255, 255, 255, .9);
    background: linear-gradient(135deg, #2d363f, #12161a);
    border-bottom: 1px solid var(--vrc-border);
}

.vrc-card-body {
    padding: .7rem .8rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.vrc-card-title {
    font-size: .95rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vrc-card-author {
    font-size: .78rem;
    color: var(--vrc-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vrc-card-meta {
    margin-top: auto;
    padding-top: .5rem;
    display: flex;
    justify-content: space-between;
    font-size: .78rem;
    color: var(--vrc-muted);
}

.vrc-card-meta i {
    color: var(--vrc-primary);
}

.vrc-empty {
    padding: 2rem;
    text-align: center;
    color: var(--vrc-muted);
    border: 1px dashed var(--vrc-border);
    border-radius: var(--vrc-radius);
}

/* ---------- Auth / forms ---------- */

.vrc-auth-wrap {
    display: flex;
    justify-content: center;
    padding: 2rem 0;
}

.vrc-auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--vrc-panel);
    border: 1px solid var(--vrc-border);
    border-radius: var(--vrc-radius);
    padding: 2rem;
}

.vrc-auth-card .vrc-brand {
    display: block;
    text-align: center;
    margin-bottom: 1.25rem;
}

.vrc-auth-card h1 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    margin: 0 0 1.25rem;
}

.vrc-label {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    color: var(--vrc-muted);
    margin-bottom: .35rem;
}

.vrc-input {
    width: 100%;
    padding: .55rem .75rem;
    margin-bottom: 1rem;
    background: var(--vrc-bg);
    border: 1px solid var(--vrc-border);
    border-radius: var(--vrc-radius);
    color: var(--vrc-text);
    font-size: .9rem;
}

.vrc-input:focus {
    outline: 0;
    border-color: var(--vrc-primary);
}

.vrc-alert {
    padding: .6rem .8rem;
    border-radius: var(--vrc-radius);
    font-size: .85rem;
    margin-bottom: 1rem;
}

.vrc-alert-error {
    background: rgba(255, 87, 103, .12);
    border: 1px solid rgba(255, 87, 103, .5);
    color: #ff9aa4;
}

.vrc-alert-ok {
    background: rgba(103, 215, 129, .12);
    border: 1px solid rgba(103, 215, 129, .5);
    color: #8fe6a5;
}

/* ---------- Responsive ---------- */

@media (max-width: 991.98px) {
    .vrc-menu-toggle {
        display: inline-flex;
    }

    .vrc-sidebar {
        transform: translateX(-100%);
        transition: transform .2s ease;
    }

    body.vrc-sidebar-open .vrc-sidebar {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(0, 0, 0, .6);
    }

    .vrc-content {
        margin-left: 0;
    }

    .vrc-search {
        max-width: none;
    }
}