* {
    box-sizing: border-box;
}

:root {
    color-scheme: dark;
    --bg: #0b0c0f;
    --panel: #15171d;
    --panel-2: #1c1f27;
    --text: #f4f5f7;
    --muted: #a9afbb;
    --border: #2b303b;
    --accent: #6ea8fe;
    --accent-hover: #8bb8ff;
    --danger: #ff6b6b;
    --success: #51cf66;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at top, #18202c 0, var(--bg) 34rem);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

a {
    color: inherit;
}

button,
input,
textarea {
    font: inherit;
}

.container {
    width: min(1080px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(10, 11, 14, 0.82);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 28px 0;
}

.header-inner h1 {
    margin: 0 0 6px;
    font-size: clamp(1.8rem, 5vw, 2.7rem);
}

.header-inner p {
    margin: 0;
    color: var(--muted);
}

.header-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.small-link,
.back-link {
    color: var(--accent);
    text-decoration: none;
}

.small-link:hover,
.back-link:hover {
    text-decoration: underline;
}

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

.gallery {
    display: grid;
    gap: 34px;
    padding: 38px 0 70px;
}

.media-card,
.panel,
.empty-state {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(21, 23, 29, 0.94);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.media-content {
    background: #000;
}

.media-content img,
.media-content video {
    display: block;
    width: 100%;
    max-height: 720px;
    object-fit: contain;
    background: #000;
}

.card-body,
.panel,
.empty-state {
    padding: clamp(20px, 4vw, 34px);
}

.card-body h2,
.panel h2 {
    margin: 0 0 12px;
}

.description {
    color: #d8dbe2;
    line-height: 1.65;
}

.date,
.hint,
.no-comments {
    color: var(--muted);
}

.comments-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.comments-section h3 {
    margin: 0 0 18px;
}

.comments-list {
    display: grid;
    gap: 12px;
}

.comment {
    padding: 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel-2);
}

.comment p {
    margin: 9px 0 0;
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.comment-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: 0.9rem;
}

.comment-meta strong {
    color: var(--text);
}

.comment-form,
.stack-form {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

label {
    display: grid;
    gap: 8px;
    color: #d9dce3;
    font-weight: 600;
}

input,
textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    background: #0f1116;
    color: var(--text);
}

input:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(110, 168, 254, 0.16);
}

textarea {
    resize: vertical;
}

.primary-button,
.delete-button {
    border: 0;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
}

.primary-button {
    justify-self: start;
    padding: 12px 19px;
    background: var(--accent);
    color: #07101d;
}

.primary-button:hover {
    background: var(--accent-hover);
}

.delete-button {
    padding: 10px 14px;
    background: rgba(255, 107, 107, 0.14);
    color: var(--danger);
}

.delete-button:hover {
    background: rgba(255, 107, 107, 0.24);
}

.login-page {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 24px;
}

.login-panel {
    width: min(480px, 100%);
}

.login-panel h1 {
    margin-top: 0;
}

.back-link {
    display: inline-block;
    margin-top: 22px;
}

.admin-layout {
    display: grid;
    gap: 28px;
    padding: 38px 0 70px;
}

.admin-items {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.admin-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel-2);
}

.admin-thumb {
    overflow: hidden;
    width: 120px;
    height: 80px;
    border-radius: 8px;
    background: #000;
}

.admin-thumb img,
.admin-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.admin-item-info {
    display: grid;
    gap: 4px;
    color: var(--muted);
}

.admin-item-info strong {
    color: var(--text);
}

.alert {
    padding: 14px 16px;
    border-radius: 10px;
}

.alert.error {
    border: 1px solid rgba(255, 107, 107, 0.45);
    background: rgba(255, 107, 107, 0.12);
}

.alert.success {
    border: 1px solid rgba(81, 207, 102, 0.45);
    background: rgba(81, 207, 102, 0.12);
}

@media (max-width: 700px) {
    .header-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .admin-item {
        grid-template-columns: 88px 1fr;
    }

    .admin-thumb {
        width: 88px;
        height: 70px;
    }

    .admin-item form {
        grid-column: 1 / -1;
    }

    .delete-button {
        width: 100%;
    }

    .comment-meta {
        flex-direction: column;
        gap: 4px;
    }
}