:root {
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --success: #16a34a;
    --danger: #e11d48;
    --warning: #f59e0b;
    --bg-body: #f8fafc;
    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    --text-main: #334155;
    --text-muted: #64748b;
}

* { box-sizing: border-box; }
body { font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 0; background-color: var(--bg-body); color: var(--text-main); height: 100vh; display: flex; flex-direction: column;}

/* PASEK NAWIGACYJNY */
.top-nav { background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%); padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2); z-index: 10; flex-shrink: 0; color: white;}
.top-nav h2 { margin: 0; font-size: 1.2rem; color: #f8fafc; display: flex; align-items: center; gap: 10px; font-weight: 600;}

.container { max-width: 1900px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; padding: 15px; flex-grow: 1; width: 100%; overflow: hidden;}

/* PASKI NARZĘDZI */
.toolbar, .toolbox { background: #ffffff; padding: 12px; box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03); border-radius: 8px; border: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 10px; align-items: center;}
.toolbar { justify-content: space-between; margin-bottom: 5px; }
.month-picker select { padding: 6px 10px; border: 1px solid var(--border-dark); border-radius: 6px; font-size: 14px; margin-right: 5px; outline: none; background: white; color: var(--text-main); font-weight: 600;}
.month-picker select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15); }

/* PRZYCISKI */
.btn { padding: 8px 14px; border-radius: 6px; cursor: pointer; font-weight: 600; border: none; color: white; transition: all 0.2s ease; outline: none; font-size: 13px; text-align: center; box-shadow: 0 1px 2px rgba(0,0,0,0.1); display: inline-flex; align-items: center; gap: 6px;}
.btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.btn:active:not(:disabled) { transform: translateY(0); box-shadow: 0 1px 2px rgba(0,0,0,0.1); }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #475569; }
.btn-secondary:hover { background: #334155; }
.btn-import { background: var(--success); }
.btn-import:hover { background: #15803d; }
.btn-export { background: #64748b; }
.btn-export:hover { background: #475569; }
.btn-clear { background: var(--danger); }
.btn-clear:hover { background: #be123c; }
.btn-magic { background: #8b5cf6; }
.btn-magic:hover { background: #7c3aed; }
.btn-print { background: #3b82f6; }
.btn-print:hover { background: #2563eb; }
.btn-palette { background: #db2777; }
.btn-palette:hover { background: #be185d; }
.btn-rot { background: #059669; }
.btn-rot:hover { background: #047857; }

/* TABELA I SIATKA */
.grid-container { background: white; padding: 0; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); border-radius: 8px; border: 1px solid var(--border); overflow: auto; flex-grow: 1; user-select: none;}
table { width: 100%; border-collapse: collapse; table-layout: fixed; min-width: 1000px; background: white; font-size: 12px; }
th, td { border: 1px solid var(--border); padding: 4px; text-align: center; vertical-align: middle; height: 42px; position: relative;}

thead th { position: sticky; top: 0; background: #ffffff; color: var(--text-main); z-index: 20; font-weight: 700; padding: 10px 4px; border: 1px solid var(--border); border-bottom: 2px solid var(--border-dark); transition: 0.2s; box-shadow: 0 2px 4px rgba(0,0,0,0.02);}
.col-emp { width: 220px; text-align: left; padding: 0 10px; position: sticky; left: 0; z-index: 10; background: #ffffff; border-right: 2px solid var(--border-dark); color: var(--text-main); font-weight: 600;}
thead .col-emp { z-index: 30; background: #f8fafc; color: var(--text-main); border-right: 2px solid var(--border-dark);}

.col-day { width: 50px; min-width: 50px; } 

.day-weekend { background-color: #fff1f2 !important; color: #e11d48; font-weight: bold; }
.day-holiday { background-color: #fdf2f8 !important; color: #db2777 !important; font-weight: bold; }
thead .day-weekend { background-color: #fff1f2 !important; color: #e11d48 !important; border-color: #ffe4e6 !important; border-bottom: 2px solid #fda4af !important;}
thead .day-holiday { background-color: #fdf2f8 !important; color: #db2777 !important; border-color: #fce7f3 !important; border-bottom: 2px solid #f9a8d4 !important;}

.emp-name-container { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 3px; }
.emp-name { display: block; font-size: 13px; }
.btn-select-all { background: #f1f5f9; border: 1px solid #cbd5e1; border-radius: 4px; font-size: 10px; cursor: pointer; padding: 2px 6px; transition: 0.2s; color: #64748b;}
.btn-select-all:hover { background: var(--primary); color: white; border-color: var(--primary-hover); }
.emp-tags { font-size: 9px; font-weight: normal; color: var(--text-muted); pointer-events: none;}

/* KOMPAKTOWE PODSUMOWANIE OBSADY I GRUPY */
.branch-header td { background: #f1f5f9; font-weight: 800; text-align: left; padding: 8px 15px; color: #475569; font-size: 13px; letter-spacing: 0.5px; text-transform: uppercase; border-top: 2px solid var(--border-dark); border-bottom: 1px solid var(--border); box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);}
.group-header td { background-color: #f1f5f9; border-top: 2px solid #cbd5e1; border-bottom: 1px solid #e2e8f0; font-weight: 700; color: #0f766e; text-align: left; font-size: 11px; padding: 4px 15px;}
.summary-row { background: #f8fafc; border-top: 2px solid var(--border-dark); }
.summary-cell { padding: 4px 2px; vertical-align: top; background: #f8fafc; }

.shift-summary { border: 1px solid var(--border-dark); border-radius: 4px; margin-bottom: 4px; overflow: hidden; background: #ffffff; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.shift-summary-head { font-size: 9px; font-weight: 700; padding: 2px 4px; display: flex; gap: 3px; align-items: center; justify-content: center; white-space: nowrap; overflow: hidden; }
.shift-summary-body { padding: 3px 4px; display: flex; flex-direction: column; gap: 2px; }
.shift-summary-row { font-size: 10px; line-height: 1.1; display: flex; justify-content: space-between; align-items: center; width: 100%;}
.stat-ok { color: #15803d; font-weight: 600;}
.stat-fail { color: #e11d48; font-weight: 700; background: #fff1f2; padding: 1px 2px; border-radius: 3px;}
.stat-neutral { color: #475569; }

@keyframes pulse-error { 
    0% { box-shadow: inset 0 0 0 2px #ef4444, 0 0 8px rgba(239, 68, 68, 0.4); } 
    50% { box-shadow: inset 0 0 0 2px #ef4444, 0 0 2px rgba(239, 68, 68, 0.1); } 
    100% { box-shadow: inset 0 0 0 2px #ef4444, 0 0 8px rgba(239, 68, 68, 0.4); } 
}

/* ANIMACJA DLA NIEKOMPLETNEJ OBSADY */
@keyframes border-blink {
    0% { border-color: #f59e0b; box-shadow: 0 0 5px rgba(245, 158, 11, 0.5); }
    50% { border-color: #ef4444; box-shadow: 0 0 8px rgba(239, 68, 68, 0.8); }
    100% { border-color: #f59e0b; box-shadow: 0 0 5px rgba(245, 158, 11, 0.5); }
}
.alert-blink {
    animation: border-blink 1.5s infinite;
    border-width: 2px !important;
}

/* ELEMENTY PRZECIĄGANE & PĘDZEL */
.toolbox-title { font-weight: 600; width: 100%; margin-bottom: 5px; color: var(--primary); font-size: 13px; border-bottom: 1px solid var(--border); padding-bottom: 8px;}
.shift-pill { padding: 5px 10px; font-size: 11px; font-weight: bold; cursor: grab; user-select: none; border-radius: 6px; border: 1px solid rgba(0,0,0,0.1); display: inline-flex; align-items: center; justify-content: center; background: #fff; color: #000; box-shadow: 0 1px 2px rgba(0,0,0,0.05); transition: 0.2s;}
.shift-pill:active { cursor: grabbing; }
.shift-pill:hover { transform: translateY(-1px); box-shadow: 0 3px 6px rgba(0,0,0,0.1); }

.brush-selected { outline: 3px solid var(--primary); outline-offset: 2px; transform: scale(1.05) !important; box-shadow: 0 4px 10px rgba(2, 132, 199, 0.3) !important; z-index: 5;}

.cell-dropzone { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; border-radius: 3px; transition: background-color 0.1s;}
.cell-dropzone.drag-over-valid { background-color: #dcfce7 !important; outline: 2px dashed var(--success); outline-offset: -2px; z-index: 5; }
.cell-dropzone.drag-over-invalid { background-color: #fee2e2 !important; outline: 2px dashed var(--danger); outline-offset: -2px; z-index: 5; cursor: not-allowed; }
.cell-dropzone:hover { outline: 1px solid #94a3b8; outline-offset: -1px; background: #f8fafc; z-index: 5; cursor: crosshair; }

.cell-shift { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: grab; font-weight: 700; font-size: 9px; user-select: none; line-height: 1.1; border-radius: 4px; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1); transition: 0.1s; text-align: center;}
.cell-shift:active { cursor: grabbing; opacity: 0.6; }
.cell-explicit { font-size: 8px; font-weight: normal; margin-top: 1px; max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; padding: 0 1px; pointer-events: none; }

/* POPRAWIONE ZAZNACZENIE (Wpuszczona ramka, brak wyskakiwania pod nazwiska) */
.selected-group { 
    box-shadow: inset 0 0 0 3px var(--primary) !important; 
    background-color: rgba(2, 132, 199, 0.15) !important;
    z-index: 2 !important; 
    border-radius: 4px; 
}

/* CHMURKI BŁĘDÓW */
.cell-invalid { background-color: #fff1f2; box-shadow: inset 0 0 0 2px var(--danger); }
.warning-icon { 
    position: absolute; top: 0; right: 0; width: 16px; height: 16px; 
    background: var(--danger); color: white; font-size: 11px; font-weight: bold; 
    display: flex; align-items: center; justify-content: center; 
    cursor: help; z-index: 15; border-bottom-left-radius: 6px;
    box-shadow: -1px 1px 3px rgba(0,0,0,0.2);
}

/* MODALE */
.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); overflow-y:auto; }
.modal-content { background: #ffffff; margin: 4vh auto; padding: 25px; border-radius: 12px; width: 750px; max-width: 95%; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1); border: 1px solid var(--border-dark); }
.modal-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 15px; margin-bottom: 20px; }
.modal-header h3 { margin: 0; color: var(--primary); font-size: 1.3rem; font-weight: 700;}
.close { cursor: pointer; font-size: 24px; font-weight: bold; color: var(--text-muted); transition: 0.2s; line-height: 1;}
.close:hover { color: var(--danger); }

.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px; color: var(--text-main); }
.form-group input[type="text"], .form-group input[type="number"], .form-group input[type="date"], .form-group select { padding: 8px 10px; border: 1px solid var(--border-dark); border-radius: 6px; font-size: 13px; width: 100%; outline: none; font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s;}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15); }

.staff-list { max-height: 250px; overflow-y: auto; border: 1px solid var(--border); border-radius: 6px; padding: 6px; margin-bottom: 15px; background: var(--bg-body);}
.staff-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--border); font-size: 13px; background: white; margin-bottom: 4px; border-radius: 6px; box-shadow: 0 1px 2px rgba(0,0,0,0.02);}
.staff-item:last-child { border-bottom: none; margin-bottom: 0; }

.load-badge { font-size: 9px; padding: 3px 6px; border-radius: 4px; display: inline-block; margin-right: 4px; border: 1px solid #cbd5e1; margin-bottom: 3px; font-weight: bold;}
.lb-rano { background: #f0fdf4; color: #15803d; }
.lb-popol { background: #fffbeb; color: #b45309; }
.lb-noc { background: #eff6ff; color: #be185d; }
.lb-noc-wknd { background: #1e3a8a; color: #ffffff; border-color: #1e3a8a; }
.lb-wknd { background: #fff1f2; color: #e11d48; }
.lb-swieto { background: #fdf2f8; color: #db2777; }

/* ========================================== */
/* MENU KONTEKSTOWE (PRAWY KLIK MYSZY)        */
/* ========================================== */
.context-menu { 
    display: none; 
    position: absolute; 
    z-index: 10000; 
    background: #ffffff; 
    border: 1px solid var(--border-dark); 
    border-radius: 8px; 
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.1); 
    padding: 5px 0; 
    min-width: 220px; 
    font-family: 'Inter', sans-serif; 
}
.context-menu-item { 
    padding: 10px 15px; 
    font-size: 13px; 
    font-weight: 600; 
    color: var(--text-main); 
    cursor: pointer; 
    display: flex; 
    align-items: center; 
    gap: 10px; 
    transition: background 0.2s; 
}
.context-menu-item:hover { background: #f1f5f9; color: var(--primary); }
.context-menu-item.danger:hover { background: #fff1f2; color: var(--danger); }
.context-menu-divider { height: 1px; background: var(--border); margin: 5px 0; }

/* WIZUALIZACJA A4 (WYDRUK) - MAKSYMALNA KOMPRESJA */
@media print {
    @page { size: A4 landscape; margin: 5mm; }
    body { background: white; margin: 0; padding: 0; font-size: 8pt; height: auto; display: block; }
    .top-nav, .toolbar, .toolbox, .modal, .context-menu { display: none !important; }
    .container { padding: 0; margin: 0; max-width: 100%; width: 100%; display: block; border: none; box-shadow: none; overflow: visible !important;}
    .grid-container { box-shadow: none; border: none; overflow: visible !important; height: auto; max-height: none; padding: 0; margin: 0;}
    table { font-size: 7px !important; width: 100%; border-collapse: collapse; table-layout: fixed; }
    tr { page-break-inside: avoid; page-break-after: auto; }
    th, td { border: 1px solid #000; height: 20px !important; padding: 0 !important; color: #000 !important; overflow: hidden; vertical-align: middle; }
    
    .col-emp { width: 90px !important; position: static; background: white !important; color: black !important; font-size: 7.5px !important; line-height: 1.1; white-space: normal; padding-left: 2px !important; text-align: left;}
    
    .col-day { width: auto !important; }
    thead th { position: static; background: #f1f5f9 !important; color: black !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; font-size: 7px !important; padding: 1px !important;}
    
    .cell-shift { 
        border-radius: 0 !important; 
        box-shadow: inset 0 0 0 1px #000 !important; 
        -webkit-print-color-adjust: exact; 
        print-color-adjust: exact; 
        font-size: 7px !important; 
        font-weight: 900 !important; 
        padding: 0 !important; 
        display: flex !important; 
        align-items: center !important; 
        justify-content: center !important; 
        overflow: hidden !important; 
    }
    
    .cell-shift span { 
        display: inline-block !important; 
        letter-spacing: -0.5px !important; 
        white-space: nowrap !important; 
        transform: scale(0.7) !important; 
        transform-origin: center center !important; 
    }
    
    .btn-select-all, .warning-icon { display: none !important; }
    
    .shift-summary { border: 1px solid #000 !important; margin-bottom: 1px !important; box-shadow: none !important; }
    .shift-summary-head { font-size: 6px !important; padding: 1px !important; line-height: 1 !important;}
    .shift-summary-body { padding: 1px !important; gap: 0 !important; }
    .shift-summary-row { font-size: 6px !important; line-height: 1 !important;}
    
    .day-weekend { background-color: #fff1f2 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .day-holiday { background-color: #fdf2f8 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .branch-header td { background: #e2e8f0 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; font-size: 9px !important; padding: 2px !important;}
    .group-header td { background-color: #e2e8f0 !important; color: #0f766e !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; font-size: 9px !important; padding: 2px 5px !important;}

    /* LOGIKA KREATORA WYDRUKU */
    body.print-hide-summary-cols .col-summary { display: none !important; }
    body.print-hide-summary-rows .summary-row { display: none !important; }
    body.print-hide-tags .emp-tags { display: none !important; }
}