.overview-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    overflow-y: auto;
    padding: 20px;
    box-sizing: border-box;
}

.overview-overlay.is-open {
    opacity: 1;
}

.overview-container {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    width: 100%;
    max-width: 1400px;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.overview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: var(--table-border);
    background-color: var(--color-white);
    gap: var(--gap-standaard-x);
}

.overview-header-left {
    display: flex;
    align-items: center;
    flex: 1;
}

.overview-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.overview-header h2 {
    margin: 0;
    font-size: var(--font-size-xlarge);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.overview-header .jaar-menu-dropdown {
    position: relative;
    z-index: 10001;
}

.overview-header .jaar-menu-dropdown-list {
    z-index: 10002;
}

.overview-close {
    position: relative;
    background: transparent;
    top: 0;
    right: 0;
    transform: translateY(0);
    width: 32px;
    height: 1.2em;
    min-height: 32px;
    border: none;
    border-radius: var(--border-radius);
    color: var(--color-primair);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 180ms ease, transform 180ms ease;
    line-height: 1.2em;
    margin-left: 16px;
    flex-shrink: 0;
    padding-bottom: 2px;
    font-size: var(--font-size-xlarge);
}

.overview-close:hover {
    background: #f3f4f6;
}

.overview-close:active {
    transform: scale(0.95);
}

.overview-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.overview-loading,
.overview-error {
    text-align: center;
    padding: 40px;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.overview-error {
    color: var(--color-negative);
}

.overview-maand {
    margin-bottom: 30px;
}

.overview-maand:last-child {
    margin-bottom: 0;
}

.overview-tabel {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

.overview-tabel thead {
    background-color: var(--color-white);
    display: table-header-group;
}

.overview-tabel th {
    padding: 8px 4px;
    text-align: center;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    border: var(--table-border);
    min-width: 28px;
    font-size: 11px;
    position: static !important;
}

.overview-tabel thead th.maand-header {
    padding: 8px 12px;
    text-align: left;
    min-width: 100px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    background-color: #f9fafb;
    position: static !important;
    font-size: 11px;
}

.overview-tabel tbody tr {
    border-bottom: var(--table-border);
}

.overview-tabel tbody tr:last-child {
    border-bottom: none;
}

.overview-tabel .accommodatie-naam {
    padding: 8px 12px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    background-color: #f9fafb;
    border: var(--table-border);
    text-align: left;
    min-width: 100px;
    position: relative;
    font-size: 11px;
}

.overview-tabel .dag-cell {
    padding: 6px 4px;
    text-align: center;
    border: var(--table-border);
    min-width: 28px;
    color: var(--textcolor-table-header);
    transition: background-color 0.2s;
    font-size: 11px;
}

.overview-tabel thead th.weekend-zaterdag {
    background-color: var(--color-table-sat);
}

.overview-tabel thead th.weekend-zondag {
    background-color: var(--color-table-sun);
}

.overview-tabel .dag-cell.bezet {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    position: relative;
    transition: opacity 0.2s ease;
}

.overview-tabel .dag-cell.bezet:hover {
    opacity: 0.8;
}

.overview-tabel .dag-cell.bezet.meerdere-bezettingen {
    background: linear-gradient(to bottom right, var(--kleur1, #6b7280) 0%, var(--kleur1, #6b7280) 50%, var(--kleur2, #6b7280) 50%, var(--kleur2, #6b7280) 100%);
}

.overview-tabel .dag-cell.bezet.meerdere-bezettingen.verticaal {
    background: linear-gradient(to right, var(--kleur1, #6b7280) 0%, var(--kleur1, #6b7280) 50%, var(--kleur2, #6b7280) 50%, var(--kleur2, #6b7280) 100%);
}

@media (max-width: 1350px) {
    .overview-overlay {
        padding: 0;
    }
    
    .overview-container {
        max-height: 100vh;
        border-radius: 0;
    }
    
    .overview-content {
        padding-left: 0;
        padding-right: var(--gap-standaard-x);
        padding-top: var(--gap-standaard-x);
        padding-bottom: var(--gap-standaard-x);
    }
    
    .overview-header {
        padding: var(--gap-standaard-x);
    }
    
    .overview-header h2 {
        font-size: var(--font-size-xlarge);
    }
    
    .overview-tabel {
        font-size: 12px;
    }
    
    .overview-tabel th,
    .overview-tabel .dag-cell {
        padding: 6px 4px;
        min-width: 32px;
    }
    
    .overview-tabel .accommodatie-naam {
        padding: 8px 12px;
        min-width: 100px;
        font-size: 12px;
    }
}

.overview-tabel .dag-cell {
    position: relative;
}

.overview-tooltip {
    position: fixed;
    background: #1f2937;
    color: var(--color-text-secondary);
    padding: 12px var(--gap-standaard-x);
    border-radius: var(--border-radius);
    font-size: 13px;
    line-height: 1.5;
    z-index: 10000;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    display: block;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(255, 255, 255, 0.1);
    max-width: 280px;
    min-width: 200px;
}

.overview-tooltip.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.overview-tooltip::before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border: 6px solid transparent;
    border-top-color: #1f2937;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
}

.overview-tooltip .tooltip-item {
    margin-bottom: var(--gap-standaard-x);
}

.overview-tooltip .tooltip-item:last-child {
    margin-bottom: 0;
}

.overview-tooltip .tooltip-type {
    font-size: 11px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    font-weight: var(--font-weight-bold);
}

.overview-tooltip .tooltip-titel {
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    word-wrap: break-word;
}

.overview-tooltip .tooltip-details {
    font-size: 12px;
    color: #d1d5db;
}

.overview-tooltip .tooltip-multiple {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.overview-tooltip .tooltip-multiple .tooltip-item {
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 0;
}

.overview-tooltip .tooltip-multiple .tooltip-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}