* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: #f4f8fb;
    color: #17202a;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.login-page {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 32px;
}

.login-panel {
    background: #ffffff;
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    margin: 0 auto;
    max-width: 420px;
    padding: 32px;
    width: 100%;
}

.login-brand {
    align-items: center;
    display: flex;
    gap: 14px;
    margin-bottom: 10px;
}

.brand-mark {
    align-items: center;
    background: #0b7bdc;
    border-radius: 8px;
    color: #ffffff;
    display: inline-flex;
    font-weight: 800;
    height: 44px;
    justify-content: center;
    width: 44px;
}

.login-panel h1 {
    color: #0868c5;
    font-size: 28px;
    line-height: 1.2;
    margin: 0;
}

.login-panel p {
    color: #506070;
    margin: 0 0 24px;
}

.login-form {
    display: grid;
    gap: 16px;
}

.login-form label {
    color: #34495e;
    display: grid;
    font-weight: 600;
    gap: 8px;
}

.login-form input {
    border: 1px solid #cddce8;
    border-radius: 6px;
    font: inherit;
    padding: 12px 14px;
    width: 100%;
}

.login-form button {
    background: #0868c5;
    border: 0;
    border-radius: 6px;
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    padding: 12px 14px;
}

.alert-error {
    background: #fdecea;
    border: 1px solid #f5c2bd;
    border-radius: 6px;
    color: #9f241c;
    margin-bottom: 18px;
    padding: 12px 14px;
}

.admin-body {
    background: #eef5fa;
}

.admin-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: #0f273d;
    color: #ffffff;
    padding: 24px;
}

.brand {
    align-items: center;
    display: flex;
    font-size: 18px;
    font-weight: 800;
    gap: 12px;
    margin-bottom: 32px;
}

.admin-nav {
    display: grid;
    gap: 8px;
}

.admin-nav a {
    border-radius: 6px;
    color: #dbeaf6;
    padding: 11px 12px;
    text-decoration: none;
}

.admin-nav a:hover {
    background: #173956;
    color: #ffffff;
}

.admin-main {
    min-width: 0;
}

.admin-topbar {
    align-items: center;
    background: #ffffff;
    border-bottom: 1px solid #dbe7f0;
    display: flex;
    justify-content: space-between;
    min-height: 76px;
    padding: 18px 28px;
}

.admin-topbar h1 {
    font-size: 24px;
    margin: 0;
}

.admin-user {
    align-items: center;
    display: flex;
    gap: 14px;
}

.admin-user a {
    color: #0868c5;
    font-weight: 700;
    text-decoration: none;
}

.admin-content {
    padding: 28px;
}

.content-panel {
    background: #ffffff;
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    padding: 28px;
}

.content-panel h2 {
    margin: 0 0 10px;
}

.content-panel p {
    color: #506070;
    margin: 0 0 24px;
}

.panel-heading {
    align-items: flex-start;
    display: flex;
    gap: 18px;
    justify-content: space-between;
    margin-bottom: 22px;
}

.panel-heading h2 {
    margin: 0 0 8px;
}

.panel-heading p {
    margin: 0;
}

.button-primary,
.button-secondary {
    border-radius: 6px;
    display: inline-flex;
    font-weight: 700;
    justify-content: center;
    padding: 10px 14px;
    text-decoration: none;
    white-space: nowrap;
}

.button-primary {
    background: #0868c5;
    color: #ffffff;
}

.button-secondary {
    background: #edf5fb;
    color: #0f4f85;
}

.alert-success {
    background: #eaf7ee;
    border: 1px solid #b8e2c4;
    border-radius: 6px;
    color: #1f6b35;
    margin-bottom: 18px;
    padding: 12px 14px;
}

.status-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-grid div {
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    padding: 18px;
}

.status-grid span {
    color: #607080;
    display: block;
    margin-bottom: 8px;
}

.status-grid strong {
    color: #0868c5;
    font-size: 20px;
}

.dashboard-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-bottom: 28px;
}

.content-panel h3 {
    margin: 0 0 14px;
}

.table-wrap {
    overflow-x: auto;
}

.data-table {
    border-collapse: collapse;
    min-width: 860px;
    width: 100%;
}

.data-table th,
.data-table td {
    border-bottom: 1px solid #e5edf3;
    padding: 12px 10px;
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    color: #5c6b78;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.status-badge {
    border-radius: 999px;
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    padding: 5px 10px;
}

.status-online {
    background: #eaf7ee;
    color: #1f6b35;
}

.status-offline {
    background: #fff3d6;
    color: #8a5a00;
}

.status-inactive {
    background: #edf1f5;
    color: #5c6b78;
}

.table-actions {
    align-items: center;
    display: flex;
    gap: 10px;
}

.table-actions a,
.table-actions button {
    background: none;
    border: 0;
    color: #0868c5;
    cursor: pointer;
    font: inherit;
    font-weight: 700;
    padding: 0;
    text-decoration: none;
}

.empty-cell {
    color: #607080;
    text-align: center;
}

.muted-text {
    color: #7a8997;
    display: inline-block;
    font-size: 13px;
    margin-left: 6px;
}

.form-panel {
    max-width: 760px;
}

.admin-form {
    display: grid;
    gap: 18px;
}

.admin-form label {
    color: #34495e;
    display: grid;
    font-weight: 700;
    gap: 8px;
}

.admin-form input[type="text"],
.admin-form select,
.admin-form textarea,
.inline-add-form select,
.inline-add-form input,
.small-input {
    border: 1px solid #cddce8;
    border-radius: 6px;
    font: inherit;
    padding: 12px 14px;
    width: 100%;
}

.admin-form textarea {
    resize: vertical;
}

.admin-form input[type="file"] {
    border: 1px dashed #9fb8cc;
    border-radius: 6px;
    font: inherit;
    padding: 18px;
    width: 100%;
}

.form-help {
    background: #f4f8fb;
    border: 1px solid #dbe7f0;
    border-radius: 6px;
    color: #506070;
    margin: 0 !important;
    padding: 12px 14px;
}

.checkbox-label {
    align-items: center;
    display: flex !important;
    flex-direction: row;
    gap: 10px !important;
}

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

.form-actions button {
    border: 0;
    cursor: pointer;
    font: inherit;
}

.playlist-items-panel {
    margin-top: 22px;
}

.inline-add-form {
    align-items: end;
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr 220px auto;
    margin-bottom: 22px;
}

.inline-add-form button {
    border: 0;
    cursor: pointer;
    font: inherit;
}

.small-input {
    max-width: 110px;
}

.table-save-actions {
    margin-top: 16px;
}

.playlist-items-panel form[id^="delete-item-"] {
    display: none;
}

.media-preview {
    background: #edf5fb;
    border: 1px solid #dbe7f0;
    border-radius: 6px;
    display: block;
    height: 54px;
    object-fit: cover;
    width: 86px;
}

.media-video-preview {
    align-items: center;
    background: #eef5fa;
    border: 1px solid #dbe7f0;
    border-radius: 6px;
    color: #0868c5;
    display: inline-flex;
    font-weight: 800;
    height: 54px;
    justify-content: center;
    width: 86px;
}

.setup-page {
    align-items: center;
    display: flex;
    min-height: 100vh;
    padding: 32px;
}

.setup-panel {
    background: #ffffff;
    border: 1px solid #dbe7f0;
    border-radius: 8px;
    margin: 0 auto;
    max-width: 640px;
    padding: 32px;
    width: 100%;
}

.setup-panel h1 {
    color: #0868c5;
    font-size: 32px;
    line-height: 1.2;
    margin: 0 0 12px;
}

.setup-panel p {
    color: #506070;
    margin: 0 0 24px;
}

.setup-panel dl {
    margin: 0;
}

.setup-panel dl div {
    border-top: 1px solid #e5edf3;
    display: grid;
    gap: 16px;
    grid-template-columns: 160px 1fr;
    padding: 14px 0;
}

.setup-panel dt {
    color: #5c6b78;
    font-weight: 600;
}

.setup-panel dd {
    margin: 0;
}

.setup-error {
    color: #b3261e;
    font-weight: 600;
    margin-top: 20px;
}

@media (max-width: 760px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        padding: 18px;
    }

    .admin-topbar {
        align-items: flex-start;
        gap: 14px;
        flex-direction: column;
    }

    .status-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .panel-heading {
        flex-direction: column;
    }

    .inline-add-form {
        grid-template-columns: 1fr;
    }
}