body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #111;
    color: #eee;
    margin: 0;
}

header {
    background: #1f2933;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 20px;
}

header nav a {
    color: #9ca3af;
    margin-left: 16px;
    text-decoration: none;
    font-size: 14px;
}

header nav a:hover {
    color: #e5e7eb;
}

main {
    padding: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    background: #1f2933;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

.card h2 {
    margin-top: 0;
    font-size: 18px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: #9ca3af;
}

input[type="text"],
input[type="datetime-local"],
input[type="file"] {
    width: 100%;
    padding: 8px 10px;
    border-radius: 4px;
    border: 1px solid #374151;
    background: #111827;
    color: #e5e7eb;
    font-size: 14px;
    box-sizing: border-box;
    margin-bottom: 10px;
}

button,
input[type="submit"] {
    background: #2563eb;
    color: #f9fafb;
    border: none;
    border-radius: 4px;
    padding: 8px 14px;
    font-size: 14px;
    cursor: pointer;
}

button:hover,
input[type="submit"]:hover {
    background: #1d4ed8;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table th,
.table td {
    padding: 8px 10px;
    border-bottom: 1px solid #374151;
}

.table th {
    text-align: left;
    color: #9ca3af;
    font-weight: 500;
}

.badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 999px;
    font-size: 11px;
    background: #111827;
    color: #9ca3af;
}

a {
    color: #60a5fa;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.notice {
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 10px;
}

.error {
    color: #fca5a5;
    font-size: 13px;
    margin-bottom: 10px;
}

.success {
    color: #bbf7d0;
    font-size: 13px;
    margin-bottom: 10px;
}

video {
    max-width: 100%;
    border-radius: 6px;
    background: #000;
}