:root {
    --primary: #5a30f0;
    --secondary: #00b894;
    --dark: #1f1f2e;
    --light: #f5f7fb;
    --danger: #ff7675;
    --radius: 14px;
    --shadow: 0 20px 45px rgba(31, 31, 46, 0.1);
    --text: #353553;
    --text-light: #6b6b8a;
    --border: rgba(53, 53, 83, 0.12);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    margin: 0;
    background: var(--light);
    color: var(--text);
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 32px;
    background: radial-gradient(circle at top left, rgba(90, 48, 240, 0.12), transparent 55%),
                radial-gradient(circle at bottom right, rgba(0, 184, 148, 0.18), transparent 45%),
                #f5f7fb;
}

.login-container {
    width: min(420px, 100%);
    padding: 32px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.login-container h1 {
    margin-top: 0;
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.subtitle {
    color: var(--text-light);
    margin-bottom: 24px;
}

.card {
    display: grid;
    gap: 16px;
    text-align: left;
}

label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
}

input,
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fdfdff;
    font-size: 15px;
}

textarea {
    min-height: 120px;
}

.form-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 14px;
    color: var(--text-light);
}

.form-checkbox input[type="checkbox"] {
    width: auto;
    margin: 0;
    accent-color: var(--primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #7b4dff);
    color: white;
    font-weight: 600;
    border: none;
    padding: 12px 18px;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(90, 48, 240, 0.28);
}

.alert {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 15px;
}

.alert-error {
    background: rgba(255, 118, 117, 0.12);
    color: #d63031;
    border: 1px solid rgba(255, 118, 117, 0.3);
}

.alert-success {
    background: rgba(0, 184, 148, 0.12);
    color: #009f79;
    border: 1px solid rgba(0, 184, 148, 0.3);
}

.alert-info {
    background: rgba(59, 130, 246, 0.12);
    color: #1d4ed8;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.impersonation-banner {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.impersonation-banner a {
    font-weight: 600;
    color: #1d4ed8;
}

.impersonation-banner .impersonation-meta {
    font-size: 13px;
    color: rgba(17, 24, 39, 0.65);
}

.support {
    margin-top: 32px;
    color: var(--text-light);
    font-size: 14px;
}

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

.sidebar {
    background: #fff;
    padding: 32px 24px;
    box-shadow: 8px 0 24px rgba(31, 31, 46, 0.06);
    position: relative;
    z-index: 1;
}

.sidebar h2 {
    margin: 0 0 32px;
    color: var(--dark);
    font-size: 24px;
}

.menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.menu a {
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s, color 0.2s;
}

.menu a.active,
.menu a:hover {
    background: rgba(90, 48, 240, 0.12);
    color: var(--primary);
}

.content {
    padding: 48px;
    background: linear-gradient(135deg, rgba(122, 96, 245, 0.08), transparent 65%);
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.top-bar h1 {
    margin: 0;
    font-size: 28px;
    color: var(--dark);
}

.logout-link {
    color: var(--danger);
    text-decoration: none;
    font-weight: 600;
}

.panel-grid {
    display: grid;
    gap: 24px;
}

.panel {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: var(--shadow);
}

.panel h2 {
    margin-top: 0;
    font-size: 20px;
    color: var(--dark);
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin-top: 16px;
}

.table th,
.table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.table-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--text-light);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(90, 48, 240, 0.12);
    color: var(--primary);
    font-weight: 600;
    font-size: 13px;
}

.empty-state {
    margin-top: 16px;
    padding: 18px;
    border-radius: 12px;
    background: rgba(53, 53, 83, 0.06);
    color: var(--text-light);
    font-weight: 500;
}

.request-details {
    margin-top: 10px;
}

.request-details summary {
    cursor: pointer;
    color: var(--primary);
    font-weight: 600;
}

.code-block {
    margin-top: 10px;
    padding: 12px;
    border-radius: 10px;
    background: rgba(17, 24, 39, 0.08);
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 260px;
    overflow: auto;
}

.actions {
    display: flex;
    gap: 10px;
}

.btn-secondary,
.btn-danger {
    padding: 8px 12px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    cursor: pointer;
    font-weight: 600;
}

.btn-secondary {
    background: rgba(90, 48, 240, 0.14);
    color: var(--primary);
}

.btn-danger {
    background: rgba(255, 118, 117, 0.18);
    color: #d63031;
}

.form-grid {
    display: grid;
    gap: 18px;
    margin-top: 24px;
}

.btn-small {
    padding: 6px 10px;
    font-size: 13px;
}

.btn-secondary.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

.simulation-settings {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    background: rgba(90, 48, 240, 0.05);
    display: grid;
    gap: 16px;
}

.simulation-settings h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text);
}

.simulation-settings > .form-hint {
    margin-top: 0;
    color: var(--text-light);
}

.availability-cell {
    min-width: 220px;
}

.availability-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.availability-result {
    min-height: 26px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 13px;
}

.status-available {
    background: rgba(0, 184, 148, 0.16);
    color: #009f79;
}

.status-unavailable {
    background: rgba(255, 118, 117, 0.18);
    color: #d63031;
}

.status-error {
    background: rgba(255, 159, 67, 0.2);
    color: #e67e22;
}

.status-icon {
    font-size: 14px;
    line-height: 1;
}

.status-text {
    display: inline-flex;
    align-items: center;
}

.status-debug {
    width: 100%;
    font-size: 12px;
    color: var(--text-light);
}

.status-debug summary {
    cursor: pointer;
    font-weight: 600;
    color: inherit;
}

.status-debug pre {
    margin: 8px 0 0;
    padding: 8px 10px;
    background: rgba(53, 53, 83, 0.08);
    border-radius: 8px;
    font-family: 'Fira Code', 'JetBrains Mono', 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.5;
    max-height: 220px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.toggle-field {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(90, 48, 240, 0.08);
    border-radius: 12px;
}

.toggle-field input[type="checkbox"] {
    width: auto;
    height: 18px;
    margin: 0;
}

.toggle-field span {
    font-weight: 600;
    color: var(--text);
}

.form-hint {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 4px;
    line-height: 1.5;
}

.form-hint code {
    background: rgba(17, 24, 39, 0.08);
    padding: 2px 6px;
    border-radius: 6px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.85rem;
}

.info-box {
    background: rgba(90, 48, 240, 0.06);
    border-radius: 14px;
    padding: 16px 18px;
}

.inline-form {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.inline-form input,
.inline-form textarea {
    flex: 1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 184, 148, 0.16);
    color: var(--secondary);
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 13px;
}

.stats-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
    background: #fff;
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card span {
    display: block;
    color: var(--text-light);
    font-size: 14px;
}

.stat-card strong {
    font-size: 32px;
    color: var(--dark);
}

.palette-grid {
    display: grid;
    gap: 18px;
    margin-top: 24px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.palette-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    background: #fdfdff;
    box-shadow: 0 8px 18px rgba(31, 31, 46, 0.08);
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
    color: inherit;
    font: inherit;
    cursor: pointer;
    width: 100%;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border 0.2s ease;
}

.palette-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(31, 31, 46, 0.12);
}

.palette-card:disabled {
    cursor: default;
    opacity: 1;
}

.palette-card:disabled:hover {
    transform: none;
}

.palette-card:focus {
    outline: 3px solid rgba(90, 48, 240, 0.4);
    outline-offset: 2px;
}

.palette-card.is-active {
    border-color: var(--primary);
    box-shadow: 0 18px 36px rgba(90, 48, 240, 0.18);
}

.palette-card .palette-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.palette-title {
    font-weight: 700;
    color: var(--dark);
}

.palette-description {
    font-size: 14px;
    color: var(--text-light);
}

.palette-swatches {
    display: grid;
    gap: 8px;
    width: 100%;
}

.palette-swatches span {
    display: block;
    height: 14px;
    border-radius: 8px;
}

.palette-actions {
    margin-top: 6px;
    font-weight: 600;
    color: var(--primary);
}

.palette-badge {
    background: rgba(90, 48, 240, 0.16);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
}

@media (max-width: 960px) {
    .admin-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: sticky;
        top: 0;
        display: flex;
        overflow-x: auto;
        gap: 12px;
    }

    .menu {
        display: flex;
    }

    .content {
        padding: 32px 20px;
    }
}