:root {
    --bg: #0f1218;
    --panel: #171c26;
    --border: #2a3344;
    --text: #e8ecf3;
    --muted: #9aa3b2;
    --accent: #4f8cff;
    --danger: #e85d5d;
    --radius: 10px;
    font-family: "Segoe UI", system-ui, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.top {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: #12161f;
}

h1 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0;
}

.owner-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.owner-field input {
    min-width: 220px;
    padding: 0.45rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
}

.owner-readonly {
    opacity: 0.95;
    cursor: default;
}

.owner-session span {
    font-weight: 500;
    color: #9ed4a8;
}

.layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    padding: 1.25rem;
    max-width: 1400px;
    margin: 0 auto;
}

@media (max-width: 980px) {
    .layout {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

.panel h2 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.tabs {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 1rem;
}

.tab {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 0.9rem;
}

.tab.active {
    background: #222a3a;
    color: var(--text);
    border-color: var(--accent);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.cam-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    align-items: start;
}

@media (max-width: 600px) {
    .cam-row {
        grid-template-columns: 1fr;
    }
}

.preview {
    width: 100%;
    max-height: 220px;
    background: #000;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    object-fit: cover;
}

.cam-actions {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn {
    padding: 0.5rem 0.85rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #1e2430;
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
}

.btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.btn.primary {
    background: var(--accent);
    border-color: transparent;
    color: #fff;
}

.btn.danger {
    border-color: var(--danger);
    color: #ffc9c9;
}

.btn.ghost {
    background: transparent;
}

.hint {
    font-size: 0.82rem;
    color: var(--muted);
    margin: 0.75rem 0 0;
}

.preview-box {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.preview-label {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0 0 0.5rem;
}

.preview-frame {
    min-height: 200px;
    border-radius: var(--radius);
    border: 1px dashed var(--border);
    background: #10141c;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.preview-frame.empty {
    color: var(--muted);
    font-size: 0.9rem;
    padding: 1rem;
    text-align: center;
}

.preview-frame iframe,
.preview-frame video {
    width: 100%;
    height: 220px;
    border: 0;
    display: block;
    background: #000;
}

.meta-form {
    margin-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.meta-form h3 {
    margin: 0;
    font-size: 1rem;
}

.meta-form label,
.create-panel label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.88rem;
    color: var(--muted);
}

.meta-form input,
.meta-form textarea,
.meta-form select,
.create-panel input:not([type="file"]),
.create-panel select {
    padding: 0.45rem 0.55rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #12161f;
    color: var(--text);
}

.row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

@media (max-width: 520px) {
    .row-2 {
        grid-template-columns: 1fr;
    }
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.status {
    font-size: 0.85rem;
    color: var(--muted);
}

.status.ok {
    color: #7dcea0;
}

.status.err {
    color: #f5a4a4;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.85rem;
}

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #12161f;
    display: flex;
    flex-direction: column;
}

.card-thumb {
    aspect-ratio: 16 / 10;
    background: #000 center/cover no-repeat;
    background-color: #1a2030;
    position: relative;
}

.card-thumb.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-size: 0.8rem;
}

.card-body {
    padding: 0.6rem 0.65rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    flex: 1;
}

.card-title {
    font-size: 0.88rem;
    font-weight: 600;
    margin: 0;
    line-height: 1.25;
}

.card-meta {
    font-size: 0.75rem;
    color: var(--muted);
}

.card-actions {
    display: flex;
    gap: 0.35rem;
    margin-top: auto;
}

.card-actions .btn {
    flex: 1;
    font-size: 0.78rem;
    padding: 0.35rem 0.45rem;
}

.modal {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    background: var(--panel);
    color: var(--text);
    max-width: 420px;
    width: calc(100% - 2rem);
}

.modal::backdrop {
    background: rgba(0, 0, 0, 0.55);
}

.modal form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.modal input,
.modal textarea,
.modal select {
    padding: 0.45rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #12161f;
    color: var(--text);
}

.modal-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

.modal-actions a.btn {
    text-decoration: none;
    text-align: center;
}

.auth-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
}

.list-panel .hint {
    margin-top: 0;
    margin-bottom: 1rem;
}

.tutorial {
    margin-bottom: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: #12161f;
    padding: 0.65rem 0.9rem;
}

.tutorial-summary {
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text);
    list-style-position: outside;
}

.tutorial-body {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.tutorial-list {
    margin: 0;
    padding-left: 1.15rem;
    font-size: 0.84rem;
    color: var(--muted);
}

.tutorial-list li {
    margin-bottom: 0.65rem;
}

.tutorial-list li:last-child {
    margin-bottom: 0;
}

.tutorial-list code {
    font-size: 0.78rem;
    background: #1a2130;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    color: #c8d4f0;
    word-break: break-all;
}

.field-hint {
    font-size: 0.82rem;
    color: var(--muted);
    margin: 0 0 0.35rem;
    line-height: 1.4;
}

.field-hint.partial {
    color: #d4b87a;
}

.field-hint.err {
    color: #f5a4a4;
}

.field-hint.subtle {
    margin-top: -0.25rem;
    margin-bottom: 0.5rem;
}

.thumb-tools {
    margin: 0 1.25rem 1rem;
    padding: 0 0 0.5rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 980px) {
    .thumb-tools {
        margin-left: 1.25rem;
        margin-right: 1.25rem;
    }
}

.thumb-picker {
    margin-bottom: 0.65rem;
}

.thumb-picker-label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.45rem;
}

.thumb-choices {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: stretch;
}

.thumb-choice {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100px;
    padding: 0.35rem;
    border-radius: 8px;
    border: 2px solid var(--border);
    background: #12161f;
    cursor: pointer;
    color: var(--muted);
    font-size: 0.68rem;
    line-height: 1.2;
    text-align: center;
}

.thumb-choice:hover {
    border-color: var(--accent);
}

.thumb-choice.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.thumb-choice img {
    width: 100%;
    height: 56px;
    object-fit: cover;
    border-radius: 4px;
    background: #000;
}

.thumb-choice-label {
    margin-top: 0.25rem;
    word-break: break-word;
}

.capture-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
}

.capture-hint {
    flex: 1;
    min-width: 200px;
}