:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --border: #e0e4e9;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --labor: #2563eb;
    --labor-bg: #eaf1ff;
    --materials: #0f9d78;
    --materials-bg: #e7f8f1;
    --equipment: #8b5cf6;
    --equipment-bg: #f2ecfe;
    --fixed: #b45309;
    --fixed-bg: #fdf2e3;
    --total: #111827;
    --total-bg: #eef0f3;
    --warn: #b45309;
    --warn-bg: #fff6e5;
    --error: #b91c1c;
    --error-bg: #fdecec;
    --success: #0f9d78;
    --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.45;
}

button { font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 14px; }

a { color: var(--primary); }

.muted { color: var(--muted); font-size: 12.5px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    cursor: pointer;
    font-size: 13.5px;
    white-space: nowrap;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-danger { color: var(--error); border-color: var(--error-bg); }
.btn-danger:hover { border-color: var(--error); }
.btn-sm { padding: 4px 9px; font-size: 12.5px; }
.btn-icon { background: none; border: none; font-size: 20px; cursor: pointer; padding: 4px 8px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Auth pages ---------- */
.auth-page {
    display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg);
}
.auth-card {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 32px; width: 100%; max-width: 380px;
}
.auth-card h1 { margin: 0 0 4px; font-size: 20px; }
.auth-card form { display: flex; flex-direction: column; gap: 14px; margin-top: 18px; }
.auth-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.auth-card input { padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; }
.error { color: var(--error); background: var(--error-bg); padding: 8px 10px; border-radius: 8px; font-size: 13px; }
.success { color: var(--success); background: var(--materials-bg); padding: 8px 10px; border-radius: 8px; font-size: 13px; }

/* ---------- App shell ---------- */
.app-shell { display: flex; flex-direction: column; height: 100vh; }
.app-header {
    display: flex; align-items: center; gap: 14px; padding: 10px 16px;
    background: var(--panel); border-bottom: 1px solid var(--border); flex: 0 0 auto;
}
.app-title { display: flex; flex-direction: column; line-height: 1.2; }
.app-title span { font-size: 12px; }
.save-status { margin-left: auto; font-size: 12.5px; color: var(--muted); min-width: 90px; }
.save-status.saving { color: var(--warn); }
.save-status.saved { color: var(--success); }
.save-status.error { color: var(--error); }
.header-actions { display: flex; gap: 8px; }
.only-mobile { display: none; }

.app-body { flex: 1 1 auto; display: grid; grid-template-columns: 240px 1fr 300px; overflow: hidden; }

.steps-panel { border-right: 1px solid var(--border); background: var(--panel); overflow-y: auto; padding: 14px 10px; }
.steps-list { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.steps-list li {
    padding: 9px 10px; border-radius: 8px; cursor: pointer; font-size: 13.5px; color: var(--text);
    display: flex; gap: 8px; align-items: center;
}
.steps-list li .num {
    width: 20px; height: 20px; border-radius: 50%; background: var(--total-bg); color: var(--muted);
    font-size: 11px; display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.steps-list li:hover { background: var(--bg); }
.steps-list li.active { background: var(--labor-bg); color: var(--labor); font-weight: 600; }
.steps-list li.active .num { background: var(--labor); color: #fff; }
.steps-list li.disabled { opacity: .45; cursor: not-allowed; }

.rooms-list { border-top: 1px solid var(--border); padding-top: 10px; }
.rooms-list h4 { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 6px 4px; }
.floor-group { margin-bottom: 6px; }
.floor-group .floor-name { font-size: 12.5px; font-weight: 600; padding: 6px 6px 2px; color: var(--muted); cursor: pointer; user-select: none; }
.room-item {
    padding: 7px 10px; border-radius: 8px; cursor: pointer; font-size: 13px; display: flex; justify-content: space-between; gap: 6px;
}
.room-item:hover { background: var(--bg); }
.room-item.active { background: var(--primary); color: #fff; }
.room-item .room-total { font-size: 11.5px; color: inherit; opacity: .75; }

.main-panel { overflow-y: auto; padding: 20px 26px 80px; }
.summary-panel { border-left: 1px solid var(--border); background: var(--panel); overflow-y: auto; padding: 16px; }

/* ---------- Cards / sections ---------- */
.section-title { font-size: 18px; font-weight: 700; margin: 0 0 4px; }
.section-desc { color: var(--muted); font-size: 13px; margin: 0 0 18px; }

.card {
    background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px; margin-bottom: 14px;
}
.card-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.card-title { font-weight: 600; font-size: 14.5px; display: flex; align-items: center; gap: 8px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 12.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 6px; }
.field input, .field select, .field textarea {
    padding: 8px 9px; border: 1px solid var(--border); border-radius: 7px; background: #fff; color: var(--text); width: 100%;
}
.field textarea { resize: vertical; min-height: 60px; }
.field input.overridden, .field.overridden input { border-color: var(--warn); background: var(--warn-bg); }
.field-hint { font-size: 11px; color: var(--warn); }
.field-error { font-size: 11px; color: var(--error); }
.field input:invalid { border-color: var(--error); }
.restore-link { font-size: 11px; color: var(--primary); cursor: pointer; background: none; border: none; padding: 0; }

.pill { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.pill-labor { background: var(--labor-bg); color: var(--labor); }
.pill-materials { background: var(--materials-bg); color: var(--materials); }
.pill-equipment { background: var(--equipment-bg); color: var(--equipment); }
.pill-fixed { background: var(--fixed-bg); color: var(--fixed); }
.pill-total { background: var(--total-bg); color: var(--total); }
.pill-warn { background: var(--warn-bg); color: var(--warn); }
.pill-muted { background: var(--total-bg); color: var(--muted); }

.warning-box {
    background: var(--warn-bg); color: #7c4a03; border: 1px solid #f3d9a4; border-radius: 8px;
    padding: 9px 12px; font-size: 12.5px; margin-bottom: 10px; display: flex; gap: 8px; align-items: flex-start;
}
.warning-box.danger { background: var(--error-bg); color: var(--error); border-color: #f3c1c1; }
.warning-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }

.toggle {
    position: relative; display: inline-block; width: 38px; height: 22px; flex: 0 0 auto;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute; inset: 0; background: #ccd2da; border-radius: 999px; cursor: pointer; transition: .15s;
}
.toggle .slider::before {
    content: ""; position: absolute; width: 16px; height: 16px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: .15s;
}
.toggle input:checked + .slider { background: var(--primary); }
.toggle input:checked + .slider::before { transform: translateX(16px); }

.work-item-card { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; background: #fff; }
.work-item-card.excluded { opacity: .55; }
.work-item-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; cursor: pointer; }
.work-item-head .name { flex: 1; font-weight: 600; font-size: 14px; }
.work-item-head .amounts { display: flex; gap: 8px; flex-wrap: wrap; font-size: 12px; }
.work-item-body { border-top: 1px solid var(--border); padding: 14px; display: none; }
.work-item-card.open .work-item-body { display: block; }
.work-item-card .chevron { transition: transform .15s; color: var(--muted); }
.work-item-card.open .chevron { transform: rotate(90deg); }

.material-card {
    border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; background: var(--bg);
}
.material-card .card-row { margin-bottom: 6px; }
.material-card .name { font-weight: 600; font-size: 13px; }

.group-summary { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.group-summary-row {
    display: flex; justify-content: space-between; font-size: 12.5px; padding: 6px 0; border-bottom: 1px dashed var(--border);
}
.summary-total-box {
    background: var(--total-bg); border-radius: 10px; padding: 14px; margin-bottom: 14px;
}
.summary-total-box .big { font-size: 22px; font-weight: 800; }
.summary-line { display: flex; justify-content: space-between; font-size: 13px; padding: 4px 0; }
.summary-line strong { font-variant-numeric: tabular-nums; }

.catalog-add-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.catalog-add-row select { flex: 1; min-width: 220px; padding: 8px; border-radius: 7px; border: 1px solid var(--border); }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th, table.data-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
table.data-table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }

.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tabs button {
    padding: 9px 14px; border: none; background: none; cursor: pointer; font-size: 13.5px; color: var(--muted);
    border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button.active { color: var(--primary); border-color: var(--primary); font-weight: 600; }

.project-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.project-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; background: #fff; }
.project-card h3 { margin: 0 0 6px; font-size: 15.5px; }
.project-card .meta { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.project-card .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.modal-root:empty { display: none; }
.modal-backdrop {
    position: fixed; inset: 0; background: rgba(15, 23, 42, .45); display: flex; align-items: center;
    justify-content: center; z-index: 50; padding: 16px;
}
.modal {
    background: #fff; border-radius: 12px; padding: 22px; width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto;
}
.modal h2 { margin-top: 0; font-size: 17px; }
.modal .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.mobile-summary-toggle {
    display: none; text-align: center; padding: 8px; background: var(--panel); border-top: 1px solid var(--border);
    font-size: 12.5px; color: var(--muted); cursor: pointer;
}

.empty-state { text-align: center; color: var(--muted); padding: 40px 10px; }

/* ---------- Widok pomieszczenia ---------- */
.room-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.room-header-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.big-stat { font-size: 26px; font-weight: 800; margin-top: 4px; }
.big-stat.stat-warn { color: var(--warn); }

.empty-onboarding { text-align: center; padding: 32px 20px; }
.empty-onboarding ol { text-align: left; max-width: 320px; margin: 14px auto; color: var(--muted); }

.counters-box {
    display: flex; flex-direction: column; gap: 4px; background: var(--bg); border-radius: 8px; padding: 10px 12px;
    font-size: 12.5px; margin: 12px 0;
}

/* ---------- Sekcje kategorii prac (Prace i materiały) ---------- */
.category-section { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; background: #fff; overflow: hidden; }
.category-header {
    display: flex; align-items: center; gap: 10px; padding: 12px 14px; cursor: pointer; background: var(--bg);
}
.category-header .chevron { color: var(--muted); width: 14px; }
.category-header .cat-name { font-weight: 700; font-size: 13.5px; letter-spacing: .02em; flex: 0 0 auto; }
.category-header .cat-cost { font-weight: 700; color: var(--total); }
.category-header .cat-count { flex: 1; }
.category-body { padding: 12px 14px; }

.suggested-materials-box { border: 1px dashed var(--primary); background: var(--labor-bg); }
.suggestion-row, .template-row {
    display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 13px;
}
.suggestion-row .pill, .template-row .pill { margin-left: auto; }
.template-list { max-height: 320px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; }
.template-row.already-added { opacity: .55; }

/* ---------- Modal wyszukiwania pracy ---------- */
.modal-wide { max-width: 620px; }
.work-picker-controls { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.work-picker-controls input, .work-picker-controls select { padding: 8px 10px; border: 1px solid var(--border); border-radius: 7px; flex: 1; min-width: 160px; }
.work-picker-results { max-height: 360px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.work-picker-row {
    display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px;
    border-bottom: 1px solid var(--border); cursor: pointer;
}
.work-picker-row:last-child { border-bottom: none; }
.work-picker-row:hover { background: var(--labor-bg); }
.wpr-main { display: flex; flex-direction: column; gap: 2px; }
.wpr-main .name { font-weight: 600; font-size: 13.5px; }
.wpr-side { display: flex; align-items: center; gap: 8px; font-size: 12.5px; white-space: nowrap; }

.clickable-row { cursor: pointer; }
.clickable-row:hover { background: var(--labor-bg); }

@media print {
    .app-header, .steps-panel, .summary-panel, .mobile-summary-toggle, .header-actions { display: none !important; }
    .app-body { grid-template-columns: 1fr; display: block; }
    .main-panel { overflow: visible; padding: 0; }
    body { background: #fff; }
}

@media (max-width: 980px) {
    .only-mobile { display: inline-flex; }
    .app-body { grid-template-columns: 1fr; position: relative; }
    .steps-panel {
        position: fixed; top: 53px; left: 0; bottom: 0; width: 260px; z-index: 40; transform: translateX(-100%);
        transition: transform .18s; box-shadow: 4px 0 14px rgba(0,0,0,.12);
    }
    .steps-panel.open { transform: translateX(0); }
    .summary-panel {
        position: fixed; left: 0; right: 0; bottom: 0; max-height: 40vh; border-left: none; border-top: 1px solid var(--border);
        transform: translateY(calc(100% - 38px)); transition: transform .18s; z-index: 30; box-shadow: 0 -4px 14px rgba(0,0,0,.1);
    }
    .summary-panel.open { transform: translateY(0); }
    .mobile-summary-toggle { display: block; }
    table.data-table, table.data-table thead { display: none; }
    .form-grid { grid-template-columns: 1fr 1fr; }
    .tabs { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .tabs button { white-space: nowrap; flex: 0 0 auto; }
    .room-header { flex-direction: column; align-items: stretch; }
    .room-header-actions { justify-content: flex-start; }
    .work-picker-controls { flex-direction: column; }
    .work-item-head { flex-wrap: wrap; }
    .work-item-head .amounts { order: 3; width: 100%; }
}

@media (max-width: 560px) {
    .form-grid { grid-template-columns: 1fr; }
    .app-header { padding: 8px 10px; }
    .header-actions .btn span.label { display: none; }
    .main-panel { padding: 14px 12px 90px; }
    .category-header { flex-wrap: wrap; }
    .category-header .cat-count { order: 3; width: 100%; }
    .room-header-actions .btn { flex: 1 1 auto; }
}