body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #121212;
    color: #f5f5f5;
}
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}
.topbar h1 {
    margin: 0;
    font-size: 28px;
}
.topbar nav a {
    color: #fff;
    text-decoration: none;
    margin-left: 14px;
}
.card {
    background: #1e1e1e;
    border: 1px solid #2c2c2c;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}
input, select, textarea, button {
    width: 100%;
    box-sizing: border-box;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #3a3a3a;
    background: #181818;
    color: #fff;
}
button, .button {
    background: #fff;
    color: #111;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    width: auto;
    cursor: pointer;
}
label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}
.field {
    margin-bottom: 16px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.stream-picker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}
.checkcard {
    border: 1px solid #363636;
    border-radius: 10px;
    padding: 12px;
    background: #171717;
}
.checkcard input {
    width: auto;
    margin-right: 8px;
}
.table-wrap {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border-bottom: 1px solid #303030;
    padding: 10px;
    text-align: left;
    vertical-align: top;
}
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: bold;
}
.badge-Active { background: #183d22; color: #9ff0b7; }
.badge-Expired { background: #4a3b12; color: #ffdf8a; }
.badge-Revoked { background: #4a1f1f; color: #ffb3b3; }
.flash {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
}
.flash-success { background: #17361d; color: #b6f5c2; }
.flash-error { background: #4a2020; color: #ffb6b6; }
.muted { color: #bdbdbd; }
.inline-form { display: inline; }
.actions a, .actions button { margin-right: 8px; margin-bottom: 8px; }
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 16px;
}
.frame-wrap iframe {
    width: 100%;
    height: 340px;
    border: 0;
    border-radius: 10px;
    background: #000;
}
.copybox {
    background: #0f0f0f;
    border: 1px solid #343434;
    border-radius: 10px;
    padding: 12px;
    word-break: break-all;
}
.small { font-size: 13px; }