.master-page {
    min-height: 100vh;
    background:
        radial-gradient(980px 300px at 8% -12%, rgba(56, 189, 248, 0.14), transparent 72%),
        radial-gradient(840px 280px at 96% -16%, rgba(249, 115, 22, 0.12), transparent 74%),
        var(--bg-primary);
}

.master-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.15rem 1.5rem 1.75rem;
}

.master-header {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(132deg, rgba(14, 165, 233, 0.13), transparent 56%),
        linear-gradient(315deg, rgba(249, 115, 22, 0.12), transparent 58%),
        var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.1rem 1.35rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
}

.master-header::after {
    content: '';
    position: absolute;
    right: -55px;
    bottom: -55px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.18);
    pointer-events: none;
}

.master-header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.38rem;
    letter-spacing: 0.1px;
    margin-bottom: 0.34rem;
}

.master-header p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    max-width: 1140px;
    line-height: 1.58;
}

.master-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.master-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.master-card:hover {
    border-color: var(--border-highlight, var(--border-color));
    box-shadow: var(--shadow-md);
}

.master-card-header {
    padding: 0.82rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background:
        linear-gradient(122deg, rgba(14, 165, 233, 0.08), transparent 58%),
        var(--bg-tertiary);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.8rem;
}

.master-card-header h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
}

.master-card-header p {
    margin-top: 0.2rem;
    font-size: 0.73rem;
    color: var(--text-muted);
}

.master-card-body {
    padding: 1rem;
}

.master-layout {
    display: grid;
    grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
    gap: 1rem;
    align-items: flex-start;
}

.master-mt-1 {
    margin-top: 1rem;
}

.master-mb-1 {
    margin-bottom: 1rem;
}

.master-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.8rem;
}

.master-actions .btn {
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

.master-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 0.72rem;
    margin-bottom: 1rem;
}

.master-stat {
    position: relative;
    background:
        linear-gradient(130deg, rgba(14, 165, 233, 0.1), transparent 60%),
        var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.8rem 0.96rem;
    overflow: hidden;
}

.master-stat::after {
    content: '';
    position: absolute;
    right: -26px;
    top: -32px;
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.08);
    pointer-events: none;
}

.master-stat-label {
    font-size: 0.62rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.46px;
    margin-bottom: 0.14rem;
}

.master-stat-value {
    font-size: 1.26rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
}

.master-filters {
    display: flex;
    gap: 0.72rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 0.82rem;
    padding: 0.68rem;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(148, 163, 184, 0.04);
}

.master-filters input,
.master-filters select {
    min-width: 190px;
    background: var(--bg-tertiary);
}

.master-table-wrap {
    overflow: auto;
    max-height: 66vh;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
}

.master-table-wrap-sm {
    max-height: 320px;
}

.master-table-wrap-xs {
    max-height: 240px;
}

.master-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 920px;
    font-size: 0.73rem;
}

.master-table th {
    position: sticky;
    top: 0;
    z-index: 2;
    background:
        linear-gradient(180deg, rgba(30, 64, 175, 0.09), rgba(30, 64, 175, 0.02)),
        var(--bg-tertiary);
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.61rem;
    text-align: left;
    padding: 0.58rem 0.68rem;
    border-bottom: 1px solid var(--border-color);
    letter-spacing: 0.26px;
}

.master-table th:first-child {
    border-top-left-radius: 7px;
}

.master-table th:last-child {
    border-top-right-radius: 7px;
}

.master-table td {
    padding: 0.58rem 0.68rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: top;
    background: var(--bg-primary);
}

.master-table tbody tr:nth-child(even) td {
    background: rgba(148, 163, 184, 0.03);
}

.master-table tr:hover td {
    background: rgba(56, 189, 248, 0.12);
}

.master-table .btn {
    margin-right: 0.3rem;
}

.master-table .form-input,
.master-table .form-select,
.master-table .form-textarea {
    min-width: 120px;
    padding: 0.36rem 0.48rem;
    font-size: 0.7rem;
}

.master-table-contacts {
    min-width: 780px;
}

.master-empty {
    text-align: center;
    padding: 1.2rem;
    color: var(--text-muted);
}

.md-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.19rem 0.47rem;
    border-radius: 999px;
    font-size: 0.63rem;
    font-weight: 700;
}

.md-badge-active {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.md-badge-muted {
    background: rgba(148, 163, 184, 0.17);
    color: #94a3b8;
}

.master-session-banner {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background:
        linear-gradient(125deg, rgba(56, 189, 248, 0.08), transparent 56%),
        var(--bg-secondary);
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    align-items: center;
    font-size: 0.75rem;
}

.master-session-meta {
    color: var(--text-muted);
}

.master-modal {
    position: fixed;
    inset: 0;
    z-index: 2600;
    background:
        radial-gradient(620px 330px at 20% 0%, rgba(2, 132, 199, 0.19), transparent 70%),
        rgba(15, 23, 42, 0.72);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    backdrop-filter: blur(2px);
}

.master-modal.visible {
    display: flex;
}

.master-modal-panel {
    width: min(940px, 100%);
    max-height: 90vh;
    overflow: auto;
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 54px rgba(2, 6, 23, 0.4);
    animation: masterModalIn 0.18s ease;
}

.master-modal-header {
    padding: 0.92rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background:
        linear-gradient(124deg, rgba(249, 115, 22, 0.1), transparent 55%),
        var(--bg-secondary);
}

.master-modal-body {
    padding: 1rem;
}

.master-modal-body .form-input,
.master-modal-body .form-select,
.master-modal-body .form-textarea {
    background: var(--bg-tertiary);
}

.master-modal-footer {
    padding: 0.82rem 1rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    background: var(--bg-secondary);
}

.master-link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 0.95rem;
}

.master-link-card {
    border: 1px solid var(--border-color);
    background:
        linear-gradient(132deg, rgba(14, 165, 233, 0.08), transparent 56%),
        var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 0.98rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.master-link-card:hover {
    transform: translateY(-2px);
    border-color: rgba(56, 189, 248, 0.45);
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.13);
}

.master-link-card h3 {
    font-size: 0.96rem;
    font-family: 'Space Grotesk', sans-serif;
    margin-bottom: 0.38rem;
}

.master-link-card p {
    font-size: 0.72rem;
    color: var(--text-muted);
    min-height: 44px;
    line-height: 1.45;
}

.master-link-card .btn {
    margin-top: 0.6rem;
}

@keyframes masterModalIn {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.995);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

[data-theme="light"] .master-page {
    background:
        radial-gradient(980px 300px at 8% -12%, rgba(59, 130, 246, 0.12), transparent 72%),
        radial-gradient(840px 280px at 96% -16%, rgba(249, 115, 22, 0.1), transparent 74%),
        var(--bg-primary);
}

[data-theme="light"] .master-header,
[data-theme="light"] .master-card {
    box-shadow: 0 10px 24px rgba(71, 85, 105, 0.11);
}

[data-theme="light"] .master-filters {
    background: rgba(241, 245, 249, 0.8);
}

[data-theme="light"] .master-table tbody tr:nth-child(even) td {
    background: #f8fafc;
}

[data-theme="light"] .master-table tr:hover td {
    background: #e0f2fe;
}

[data-theme="light"] .master-session-meta {
    color: #64748b;
}

@media (max-width: 1100px) {
    .master-layout {
        grid-template-columns: 1fr;
    }

    .master-content {
        padding: 0.95rem 1rem 1.25rem;
    }
}

@media (max-width: 780px) {
    .master-filters {
        flex-direction: column;
        align-items: stretch;
        padding: 0.6rem;
    }

    .master-filters input,
    .master-filters select,
    .master-filters .btn {
        min-width: 0;
        width: 100%;
    }

    .master-link-grid {
        grid-template-columns: 1fr;
    }
}