:root {
    color-scheme: dark;
    --panel: rgba(10, 14, 25, 0.76);
    --panel-border: rgba(255, 255, 255, 0.12);
    --text: #f5f7ff;
    --muted: #aab2d5;
    --accent: #7c8cff;
    --accent-strong: #a06dff;
    --danger: #ff7aa2;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top, rgba(124, 140, 255, 0.35), transparent 40%),
        linear-gradient(135deg, #050816 0%, #101833 50%, #1a1030 100%);
    color: var(--text);
    overflow: hidden;
}

body {
    min-height: 100vh;
}

a {
    color: inherit;
}

.background-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
    z-index: 0;
}

.page-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px 20px;
}

.panel-card {
    width: min(100%, 480px);
    padding: 32px;
    border-radius: 24px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(18px);
}

.panel-card--wide {
    width: min(100%, 700px);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--muted);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    box-shadow: 0 0 18px rgba(124, 140, 255, 0.8);
}

.eyebrow--danger::before {
    background: linear-gradient(135deg, #ff7aa2, #a06dff);
    box-shadow: 0 0 18px rgba(255, 122, 162, 0.8);
}

h1 {
    margin: 0 0 10px;
    font-size: clamp(1.9rem, 4vw, 2.4rem);
    line-height: 1.05;
}

.subcopy {
    margin: 0 0 24px;
    color: var(--muted);
    line-height: 1.55;
}

form {
    display: grid;
    gap: 16px;
}

.field-group {
    display: grid;
    gap: 8px;
}

label {
    font-size: 0.92rem;
    color: var(--muted);
}

input,
select {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    padding: 14px 16px;
    font: inherit;
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input:focus,
select:focus {
    border-color: rgba(160, 109, 255, 0.85);
    box-shadow: 0 0 0 4px rgba(160, 109, 255, 0.18);
}

input[disabled],
select[disabled] {
    opacity: 0.86;
    cursor: not-allowed;
    color: rgba(245, 247, 255, 0.8);
}

select {
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8" viewBox="0 0 12 8" fill="none"><path d="M1 1L6 6L11 1" stroke="%23aab2d5" stroke-width="2" stroke-linecap="round"/></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

select option {
    background: #1a1a2e;
    color: #f5f7ff;
    padding: 10px;
}

select option:checked,
select option:hover {
    background: #2a2a4e;
    color: #ffffff;
}

.btn,
.submit-btn {
    display: inline-block;
    margin-top: 8px;
    border: 0;
    border-radius: 14px;
    padding: 14px 18px;
    font: inherit;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    text-align: center;
    color: white;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    cursor: pointer;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.btn:hover,
.submit-btn:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
}

.btn:active,
.submit-btn:active {
    transform: translateY(0);
}

.btn-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn--muted {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text);
}

.btn--small {
    margin-top: 0;
    padding: 10px 14px;
    font-size: 0.86rem;
}

.btn--danger {
    background: linear-gradient(135deg, var(--danger), #ff5577);
    color: white;
}

.helper {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

.helper--danger {
    color: var(--danger);
}

.password-hint {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.password-hint--invalid {
    color: var(--danger);
}

.password-hint--valid {
    color: #7bffb5;
}

.list {
    margin: 0 0 24px;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.7;
}

.error-banner {
    margin: 8px 0 16px;
    padding: 12px 14px;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(255, 122, 162, 0.06), rgba(160, 109, 255, 0.02));
    border: 1px solid rgba(255, 122, 162, 0.12);
}

.error-banner .helper {
    margin: 6px 0 0;
    font-weight: 600;
}

.admin-shell {
    display: grid;
    gap: 20px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.admin-tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.admin-tab.is-active {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong)) !important;
    color: white;
    box-shadow: 0 0 0 3px rgba(160, 109, 255, 0.18);
}

.admin-panel {
    display: grid;
    gap: 18px;
}

.admin-panel[hidden] {
    display: none;
}

.admin-form {
    margin: 0;
}

.admin-section-head h2 {
    margin: 0 0 6px;
    font-size: 1.2rem;
}

.admin-message {
    min-height: 1.2rem;
}

.admin-message--error {
    color: var(--danger);
}

.admin-message--success {
    color: #7bffb5;
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    position: relative;
}

.data-table th,
.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    vertical-align: top;
    overflow: visible;
}

.data-table tbody tr {
    position: relative;
}

.data-table thead th {
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.code-pill {
    display: inline-block;
    max-width: 100%;
    padding: 4px 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    overflow-wrap: anywhere;
}

.code-link {
    text-decoration: none;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 9px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--muted);
    font-size: 0.85rem;
}

.action-row,
.stack {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.empty-state {
    padding: 18px 12px;
    color: var(--muted);
    text-align: center;
}

.access-level-select {
    padding: 8px 12px;
    font-size: 0.9rem;
    min-width: 120px;
    position: relative;
    z-index: 10;
    cursor: pointer;
}

.access-level-select:not([disabled]):hover {
    border-color: rgba(160, 109, 255, 0.5);
}

.panel-card--scrollable {
    max-height: 90vh;
    overflow-y: auto;
}

.participant-item {
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.12) !important;
}

.participant-item--self {
    background: rgba(124, 140, 255, 0.15) !important;
    border: 1px solid rgba(124, 140, 255, 0.3) !important;
}

.remote-video-container {
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 8px;
    overflow: hidden;
}

.remote-video-container:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(124, 140, 255, 0.3);
}

.remote-video-container video {
    display: block;
}