:root {
    --bg: #12121a;
    --surface: #1c1c28;
    --border: #2e2e3e;
    --text: #e8e8f0;
    --muted: #8a8aa0;
    --accent: #00e5c7;
    --danger: #ff4d6d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(18,18,26,0.92), rgba(18,18,26,0.96)),
        url("/admin/static/venue-bg.jpg") center / cover fixed no-repeat;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topnav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(28, 28, 40, 0.8);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
}
.topnav .brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 600; margin-right: auto; }
.logout-form { margin: 0; }
.page-hero {
    display: flex;
    justify-content: center;
    padding: 1.75rem 0 0.5rem;
}
.page-hero img {
    width: 100%;
    max-width: 480px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}
.hero-logo-wrap { position: relative; display: inline-block; }
.hero-logo-wrap.has-tooltip img { cursor: help; }
.hero-tooltip {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0.5rem;
    width: min(420px, 90vw);
    background: rgba(28, 28, 40, 0.97);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
    text-align: left;
    z-index: 20;
}
.hero-logo-wrap.has-tooltip:hover .hero-tooltip,
.hero-logo-wrap.has-tooltip:focus-within .hero-tooltip {
    display: block;
}
.hero-tooltip h3 { margin: 0 0 0.5rem; color: var(--accent); font-size: 1rem; }
.hero-tooltip p { margin: 0 0 0.6rem; font-size: 0.9rem; color: var(--text); }
.hero-tooltip p:last-child { margin-bottom: 0; }
.logout-form button {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
}

main { padding: 1.5rem; max-width: 960px; margin: 0 auto; }

h1 { margin-top: 0; }
.muted { color: var(--muted); }

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
    background: rgba(28, 28, 40, 0.8);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
th, td {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.cover-thumb {
    width: 36px; height: 36px; border-radius: 4px; object-fit: cover;
    background: rgba(255, 255, 255, 0.06); vertical-align: middle;
}

.stat-row { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.stat-tile {
    background: rgba(28, 28, 40, 0.8);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem 1.5rem;
    min-width: 160px;
}
.stat-value { display: block; font-size: 1.75rem; font-weight: 700; color: var(--accent); }
.stat-label { display: block; color: var(--muted); font-size: 0.85rem; }

button {
    font: inherit;
}
button.danger {
    background: var(--danger);
    color: #1a0008;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    margin-bottom: 1rem;
}

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-form {
    background: rgba(28, 28, 40, 0.85);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.login-logo {
    display: block;
    width: 88px;
    height: 88px;
    border-radius: 50%;
    margin: 0 auto 0.5rem;
}
.login-form h1 { font-size: 1.25rem; margin: 0 0 0.5rem; text-align: center; }
.login-form label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }
.login-form input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 4px;
    font: inherit;
}
.password-field { position: relative; display: flex; }
.password-field input { flex: 1; padding-right: 3.25rem; }
.password-toggle {
    position: absolute;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0.25rem 0.4rem;
}
.password-toggle:hover { color: var(--accent); }
.login-form button {
    background: var(--accent);
    color: #002620;
    border: none;
    padding: 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
}
.error { color: var(--danger); font-size: 0.9rem; margin: 0 0 1rem; }

.field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 1rem;
    max-width: 400px;
}
.field input {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 4px;
    font: inherit;
}
input[type="file"].visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
.upload-fields-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem 2rem;
    max-width: 820px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--muted);
}
.upload-fields-row label[for="files"] { grid-column: 1; grid-row: 1; }
.upload-fields-row label[for="folder"] { grid-column: 2; grid-row: 1; }
.upload-fields-row input#files { grid-column: 1; grid-row: 2; }
.upload-fields-row .file-picker-row { grid-column: 2; grid-row: 2; }
.upload-fields-row input[type="file"]#files {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 4px;
    font: inherit;
}
.upload-fields-row input[type="file"]#files::file-selector-button,
.upload-fields-row input[type="file"]#files::-webkit-file-upload-button {
    background: #ff8c1a;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    margin-right: 0.75rem;
}
.file-picker-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.5rem;
    border-radius: 4px;
    font: inherit;
}
.btn {
    background: var(--accent);
    color: #002620;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    font: inherit;
    margin-bottom: 1.5rem;
}
.btn:disabled {
    opacity: 0.6;
    cursor: default;
}
.btn-secondary {
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
}
.folder-picker-btn {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin-bottom: 0;
    padding: 0.5rem 1rem;
    line-height: normal;
    background: #ffd60a;
    color: #000;
    border: none;
}

.btn-stack {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.btn-stack form { margin: 0; }
.btn-stack .btn { margin-bottom: 0; }

.notice { color: var(--accent); font-size: 0.9rem; margin: 0 0 1rem; }

.library-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.library-actions h2 { margin-bottom: 0; }
.library-actions form { margin: 0; }

.upload-progress {
    max-width: 400px;
    margin: -0.75rem 0 1.5rem;
}
.upload-progress-track {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    height: 8px;
    overflow: hidden;
}
.upload-progress-bar {
    background: var(--accent);
    height: 100%;
    width: 0%;
    transition: width 0.15s ease-out;
}
.upload-progress-label {
    display: block;
    color: var(--muted);
    font-size: 0.85rem;
    margin-top: 0.35rem;
}

.help-section {
    background: rgba(28, 28, 40, 0.8);
    backdrop-filter: blur(6px);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}
.help-section h2 { margin-top: 0; color: var(--accent); font-size: 1.05rem; }
.help-section p { margin-bottom: 0; }
.help-section p + p { margin-top: 0.75rem; }
.help-section code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0.1rem 0.35rem;
    font-size: 0.9em;
}
.help-toc { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin-bottom: 1.5rem; }