:root {
    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #475569;

    --shift-m: #1d4ed8;
    --shift-m-bg: #dbeafe;
    --shift-t: #b45309;
    --shift-t-bg: #fef3c7;
    --shift-n: #b91c1c;
    --shift-n-bg: #fee2e2;

    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 4px 4px 0px rgba(71, 85, 105, 0.1);
}

.header-content h1 {
    margin: 0 0 0.5rem 0;
    font-weight: 800;
    font-size: 1.8rem;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.header-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

.header-icon {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 2px solid var(--border-color);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: 2px solid #312e81;
    padding: 0.8rem 1.5rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 3px 3px 0px #312e81;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px #312e81;
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px #312e81;
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 2px solid var(--border-dark);
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 3px 3px 0px var(--border-dark);
}

.btn-secondary:hover {
    background: #f8fafc;
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--border-dark);
}

.btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--border-dark);
}

.table-container {
    background: var(--card-bg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    padding: 1px;
    overflow-x: auto;
    box-shadow: 4px 4px 0px rgba(71, 85, 105, 0.1);
}

.controls-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 4px 4px 0px rgba(71, 85, 105, 0.1);
}

.form-select {
    background: #f8fafc;
    color: var(--text-primary);
    border: 2px solid var(--border-dark);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    box-shadow: 2px 2px 0px var(--border-dark);
}

.form-select option {
    background: white;
    color: var(--text-primary);
}

.year-stats {
    margin-left: auto;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-color);
    background: #ede9fe;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    border: 2px solid #c4b5fd;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: center;
}

th {
    padding: 1.2rem 1rem;
    font-weight: 800;
    color: var(--text-secondary);
    border-bottom: 3px solid var(--border-color);
    background: #f8fafc;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: #f8fafc;
}

.worker-name {
    font-weight: 700;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    color: #475569;
    border: 2px solid var(--border-dark);
}

.shift-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.95rem;
}

.shift-M {
    color: var(--shift-m);
    background: var(--shift-m-bg);
    border: 2px solid var(--shift-m);
}

.shift-T {
    color: var(--shift-t);
    background: var(--shift-t-bg);
    border: 2px solid var(--shift-t);
}

.shift-N {
    color: var(--shift-n);
    background: var(--shift-n-bg);
    border: 2px solid var(--shift-n);
}

.shift-l {
    color: #94a3b8 !important;
    background: #f1f5f9 !important;
    border: 2px dashed #cbd5e1 !important;
}

.shift- {
    opacity: 0;
}

/* Off */

.total-count {
    font-weight: 800;
    color: var(--text-primary);
    background: #f1f5f9;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    border: 2px solid var(--border-dark);
}

.legend {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    box-shadow: 4px 4px 0px rgba(71, 85, 105, 0.1);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.badge {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.8rem;
    border-style: solid;
    border-width: 2px;
}

.m-badge {
    color: var(--shift-m);
    background: var(--shift-m-bg);
    border-color: var(--shift-m);
}

.t-badge {
    color: var(--shift-t);
    background: var(--shift-t-bg);
    border-color: var(--shift-t);
}

.n-badge {
    color: var(--shift-n);
    background: var(--shift-n-bg);
    border-color: var(--shift-n);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.hidden {
    display: none !important;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

.overlay p {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Print Styles */
@media print {
    @page {
        size: landscape;
        margin: 10mm;
    }

    body {
        background: transparent;
        color: black;
    }

    header,
    .controls-bar,
    .legend,
    #yearStats {
        display: none !important;
    }

    .container {
        padding: 0;
        max-width: 100%;
        width: 100%;
    }

    .table-container {
        box-shadow: none;
        border: none;
        background: transparent;
        overflow: visible !important;
    }

    table {
        border-collapse: collapse;
        width: 100%;
        font-size: 0.85rem;
        table-layout: fixed;
        /* Ensures no column expands too much */
    }

    th,
    td {
        border: 1px solid #000;
        padding: 4px;
        word-wrap: break-word;
    }

    th {
        font-size: 0.75rem;
    }

    .shift-tag {
        border: 1px solid #000;
        box-shadow: none;
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    .worker-name {
        gap: 0.25rem;
        font-size: 0.8rem;
    }

    .avatar {
        width: 20px;
        height: 20px;
        font-size: 0.6rem;
    }

    .total-count {
        border: 1px solid #000;
        padding: 2px 4px;
        font-size: 0.8rem;
    }

    .badge {
        width: 18px;
        height: 18px;
        font-size: 0.65rem;
        border-width: 1px;
    }

    .shift-M {
        background: #dbeafe !important;
        color: #1e3a8a !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .shift-T {
        background: #fce7f3 !important;
        color: #9d174d !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .shift-N {
        background: #fef3c7 !important;
        color: #b45309 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .shift-l {
        background: #f1f5f9 !important;
        color: #94a3b8 !important;
        border-style: dashed !important;
        border-color: #cbd5e1 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
}