/* ===========================================================================
   FaktFree – vzhled (světlý i tmavý režim, desktopové rozložení)
   =========================================================================== */

:root {
    --bg: #eef2f8;
    --panel: #ffffff;
    --panel-2: #f8fafc;
    --panel-3: #f1f5f9;
    --border: #dbe4ee;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #2563eb;
    --primary-weak: #dbeafe;
    --success: #16a34a;
    --success-weak: #dcfce7;
    --danger: #dc2626;
    --danger-weak: #fee2e2;
    --warn: #d97706;
    --warn-weak: #fef3c7;
    --radius: 12px;
    --shadow: 0 2px 10px rgba(15, 23, 42, .06);
    --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --sidebar-width: 310px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 14.5px;
    line-height: 1.45;
    overflow: hidden;
}

h1, h2, h3 { margin: 0 0 4px; line-height: 1.25; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
a { color: var(--primary); }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
.grow { flex: 1 1 auto; }
.hidden { display: none !important; }
.num { text-align: right; }
.c { text-align: center; }
.overdue-text { color: var(--danger); }

/* ------------------------------ záhlaví ---------------------------------- */
/* Používá se systémové záhlaví okna (display: standalone). */

.view-head-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.view-head-title h2 { margin: 0; }
.view-head-title .btn { flex: 0 0 auto; }

/* ------------------------------ rozložení -------------------------------- */

.shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    gap: 14px;
    padding: 14px;
    height: 100vh;
    overflow: hidden;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-height: 0;
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 14px;
    overflow: hidden;
}

.brand { font-weight: 700; font-size: 1.05rem; flex: 0 0 auto; }
.brand-logo { width: 20px; height: 20px; vertical-align: -4px; margin-right: 1px; }
.brand-version { color: var(--muted); font-size: .72rem; font-weight: 500; margin-left: 5px; vertical-align: 2px; }

.demo-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    border: 1px dashed var(--warn);
    background: var(--warn-weak);
    color: var(--warn);
    border-radius: 9px;
    padding: 6px 9px;
    font-size: .82rem;
    cursor: pointer;
    text-align: left;
}
.demo-chip:hover { filter: brightness(.97); }

.demo-notice {
    background: var(--warn-weak);
    color: var(--warn);
    border-radius: 9px;
    padding: 9px 11px;
    font-size: .88rem;
    margin: 0 0 12px;
}

#sidebar-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
    flex: 1 1 auto;
}

.main {
    padding: 18px;
    overflow: auto;
    min-width: 0;
}

/* ------------------------------ ovládací prvky --------------------------- */

input, select, textarea, button { font: inherit; color: inherit; }

input, select, textarea {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--panel-2);
    width: 100%;
    min-width: 0;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid color-mix(in srgb, var(--primary) 35%, transparent);
    border-color: var(--primary);
    background: var(--panel);
}

input[readonly], .readonly {
    background: var(--panel-3);
    color: var(--muted);
    cursor: default;
}

input.readonly.draft { border-style: dashed; }

textarea { resize: vertical; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--panel-2);
    cursor: pointer;
    white-space: nowrap;
    font-weight: 500;
}

.btn:hover { background: var(--panel-3); }
.btn.primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.ghost { background: transparent; }
.btn.ghost.danger { background: transparent; color: var(--danger); }
.btn.small { padding: 4px 8px; font-size: .82rem; border-radius: 7px; }
.btn.icon { padding: 6px 9px; }
.btn.active { background: var(--primary-weak); border-color: color-mix(in srgb, var(--primary) 45%, var(--border)); color: var(--primary); font-weight: 600; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.icon-btn {
    border: 0;
    background: transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--muted);
    padding: 2px 6px;
    border-radius: 6px;
}
.icon-btn:hover { background: var(--panel-3); color: var(--text); }

/* Symbolické ikony (js/icons.js). Kreslí se barvou okolního textu, takže na
   tmavém tlačítku jsou světlé a na světlém tmavé – bez variant pro témata. */
.icon {
    width: 1em;
    height: 1em;
    flex: none;
    vertical-align: -0.125em;
    fill: currentColor;
}
.icon-lg { width: 1.15em; height: 1.15em; }
.icon-spin { animation: icon-spin 1s linear infinite; }
@keyframes icon-spin { to { transform: rotate(360deg); } }

.link-btn { border: 0; background: none; padding: 0; color: var(--primary); cursor: pointer; font: inherit; }
/* Rozbalovací seznam upozornění u importu dokladů. */
.import-warnings { margin-top: 10px; }
.import-warnings summary { cursor: pointer; color: var(--muted); }
.import-warnings ul { margin: 6px 0 0 18px; }
.link-btn:hover { text-decoration: underline; }

.field { display: flex; flex-direction: column; gap: 5px; font-size: .85rem; color: var(--muted); }
.field > span { font-weight: 500; }
.field input, .field select, .field textarea { color: var(--text); font-size: .95rem; }

.inline { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; }
.inline input[type="checkbox"] { width: auto; }
.checkbox-field { align-self: end; padding-bottom: 8px; color: var(--text); }

.input-row { display: flex; gap: 6px; align-items: center; }
.input-row select { flex: 1 1 auto; }

.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

/* ------------------------------ panel obsahu ----------------------------- */

.view-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.view-head-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel);
    padding: 14px;
    margin-bottom: 12px;
}
.card:last-child { margin-bottom: 0; }

.empty { padding: 28px; text-align: center; color: var(--muted); }

.dialog-toolbar { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 12px; }

.dialog-toolbar > button { margin-bottom: 12px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: 10px; margin-bottom: 12px; }
.stat { border: 1px solid var(--border); border-radius: 11px; padding: 10px 12px; background: var(--panel-2); }
.stat .k { font-size: .78rem; color: var(--muted); }
.stat .v { font-size: 1.08rem; font-weight: 700; margin-top: 2px; }
.stat.ok .v { color: var(--success); }
.stat.warn .v { color: var(--warn); }
.stat.danger .v { color: var(--danger); }

.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.filters .field { flex: 0 0 150px; }
.filters .field.grow { flex: 1 1 220px; }
.filter-buttons { padding-bottom: 1px; }

.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.tab {
    border: 1px solid var(--border);
    background: var(--panel);
    border-radius: 9px 9px 0 0;
    padding: 7px 12px;
    cursor: pointer;
}
.tab.active { background: var(--primary-weak); border-color: var(--primary); color: var(--primary); font-weight: 600; }
.tab.add { font-weight: 700; }

.storage-info { margin-top: 10px; font-size: .85rem; color: var(--muted); }

/* ------------------------------ témata ---------------------------------- */

.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(148px, 1fr));
    gap: 10px;
}

.theme-card {
    position: relative;
    border: 2px solid var(--border);
    border-radius: 10px;
    padding: 8px;
    cursor: pointer;
    background: var(--panel-2);
}
.theme-card:hover { border-color: color-mix(in srgb, var(--primary) 45%, var(--border)); }
.theme-card.active { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary) inset; }
.theme-card .theme-name { font-size: .78rem; margin-top: 6px; text-align: center; }
.theme-card .theme-del {
    position: absolute;
    top: 4px;
    right: 4px;
    border: 0;
    background: rgba(0, 0, 0, .35);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: .72rem;
    padding: 1px 5px;
}

.theme-preview {
    display: flex;
    flex-direction: column;
    gap: 4px;
    height: 54px;
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 5px;
}
.theme-preview .tp-title { height: 9px; border-radius: 2px; }
.theme-preview .tp-panel {
    flex: 1 1 auto;
    border: 1px solid var(--border);
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
    padding: 4px;
}
.theme-preview .tp-panel span { display: block; height: 3px; border-radius: 1px; width: 85%; }
.theme-preview .tp-panel span:last-child { width: 55%; }

/* ------------------------------ tabulky --------------------------------- */

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
tbody tr:hover { background: var(--panel-2); }
/* Akce v řádku tabulky – pevné sloupce, aby tlačítka v jednotlivých řádcích
   ne„ujížděla“ (textové „Párovat“/„Zrušit vazbu“ má jinou šířku než ikony).
   Prázdný sloupec se pořád vykreslí, proto zůstává zarovnání stejné. */
.row-actions {
    display: flex;
    gap: 5px;
    white-space: nowrap;
}
.row-actions .act {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    vertical-align: middle;
}
.row-actions .act + .act { margin-left: 4px; }
.row-actions .act-label { width: 6.8rem; }
.row-actions .act-label .btn { width: 100%; }
.row-actions .act-icon { width: 2rem; }
.rows-table td { padding: 5px 5px; }

/* --------------------- našeptávač položek (combobox) -------------------- */

.combo { position: relative; display: flex; align-items: center; }
.combo .combo-input { padding-right: 28px; }
.combo .combo-toggle {
    position: absolute;
    right: 2px;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 6px;
    font-size: .8rem;
    line-height: 1;
}
.combo .combo-toggle:hover { background: var(--panel-3); color: var(--text); }

.combo-list {
    position: fixed;
    z-index: 180;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .2);
    max-height: 260px;
    overflow: auto;
    padding: 4px;
}
.combo-list[hidden] { display: none !important; }
.combo-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 14px;
    padding: 6px 9px;
    border-radius: 7px;
    cursor: pointer;
}
.combo-item.active, .combo-item:hover { background: var(--primary-weak); }
.combo-item .combo-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.combo-item .combo-hint { color: var(--muted); font-size: .82rem; white-space: nowrap; }

/* ------------------------------ odznaky --------------------------------- */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: .76rem;
    font-weight: 600;
    white-space: nowrap;
}
.badge.paid { background: var(--success-weak); color: var(--success); }
.badge.overdue { background: var(--danger-weak); color: var(--danger); }
.badge.partial { background: var(--warn-weak); color: var(--warn); }
.badge.open { background: var(--panel-3); color: var(--muted); }
.badge.warn { background: var(--warn); color: #fff; margin-left: 6px; }
.badge.refund { background: color-mix(in srgb, var(--warn) 28%, transparent); color: var(--text); }
.badge.internal { background: var(--panel-3); color: var(--muted); }
.badge.interest { background: color-mix(in srgb, var(--success) 24%, transparent); color: var(--text); }
.badge-link { border: 0; cursor: pointer; font: inherit; }
.badge-link:hover { text-decoration: underline; }

/* ------------------------------ sidebar --------------------------------- */

.company-picker { flex: 0 0 auto; }
.sidebar-actions { display: flex; flex-direction: column; gap: 6px; }
.sidebar-actions .btn { justify-content: flex-start; }
.sidebar-foot { margin-top: auto; padding-top: 8px; }
.sidebar-foot .btn { width: 100%; justify-content: flex-start; }

/* připomínka zálohy v patičce panelu – zobrazí se jen, když je záloha stará */
.backup-nudge {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 6px;
    padding: 5px 6px 5px 10px;
    border: 1px dashed var(--border);
    border-radius: 9px;
    background: var(--panel-2);
    font-size: .78rem;
    color: var(--muted);
}
.backup-nudge.urgent { border-color: var(--warn); background: var(--warn-weak); color: var(--warn); }
.backup-nudge > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.backup-nudge .btn { width: auto; flex: 0 0 auto; justify-content: center; padding: 3px 8px; font-size: .78rem; }

/* stav zálohy v Nastavení */
.backup-state.stale { color: var(--warn); }

.tree { flex: 1 1 auto; overflow: auto; min-height: 0; }
.tree-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 700; margin-bottom: 6px; }
.tree-year { margin-bottom: 2px; }

.tree-year-head, .acc-head {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    border: 0;
    background: transparent;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: 8px;
    text-align: left;
    color: inherit;
}
.tree-year-head:hover, .acc-head:hover { background: var(--panel-2); }
.tree-year-head.open, .acc-head.open { background: var(--panel-2); }
.chev { color: var(--muted); width: 12px; }
.year { font-weight: 600; }

.tree-list { list-style: none; margin: 2px 0 6px 12px; padding: 0 0 0 8px; border-left: 2px solid var(--border); }

.tree-item {
    display: flex;
    gap: 8px;
    align-items: flex-start;
    width: 100%;
    border: 0;
    background: none;
    cursor: pointer;
    padding: 5px 8px;
    border-radius: 8px;
    text-align: left;
    color: inherit;
}
.tree-item:hover { background: var(--panel-2); }
.tree-item.active { background: var(--primary-weak); color: var(--primary); }
.tree-item-body { display: flex; flex-direction: column; min-width: 0; }
.tree-item-body .num { font-weight: 600; text-align: left; }
.tree-item-body .muted { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.dot { width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto; margin-top: 5px; background: var(--muted); }
.dot.paid { background: var(--success); }
.dot.overdue { background: var(--danger); }
.dot.partial { background: var(--warn); }
.dot.open { background: #94a3b8; }

/* ------------------------------ akordeon -------------------------------- */

.acc-year { margin-bottom: 8px; }
.acc-head { border: 1px solid var(--border); background: var(--panel); font-weight: 600; }
.acc-head .muted { margin-left: auto; font-weight: 400; }

/* ------------------------------ součty ---------------------------------- */

.inv-totals-row { display: flex; gap: 16px; align-items: flex-start; margin-top: 14px; flex-wrap: wrap; }
.inv-totals-row .field { flex: 1 1 260px; }
.totals { min-width: 250px; }
.trow { display: flex; justify-content: space-between; gap: 16px; padding: 2px 0; }
.trow.strong { border-top: 1px solid var(--border); margin-top: 4px; padding-top: 6px; font-weight: 700; }
.trow.big { font-size: 1.1rem; font-weight: 700; border-top: 2px solid var(--border); margin-top: 4px; padding-top: 6px; }

.pay-summary { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 10px; }
.pay-summary > div { min-width: 90px; }

/* ------------------------------ modaly ---------------------------------- */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, .5);
    display: grid;
    place-items: center;
    padding: 20px;
    z-index: 200;
}
.modal {
    background: var(--panel);
    border-radius: 14px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}
.modal.wide { max-width: 1000px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 16px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); }
.modal-body .field { margin-bottom: 12px; }

/* Text licence v dialogu (Nastavení → Aplikace → Zobrazit licenci). */
.license-text {
    margin: 0;
    font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    max-height: 55vh;
    overflow: auto;
    background: var(--panel-3);
    color: var(--text);
    padding: 12px 14px;
    border-radius: 8px;
}
.dialog-error { margin-top: 10px; padding: 8px 10px; border-radius: 8px; background: var(--danger-weak); color: var(--danger); font-size: .88rem; }

/* ------------------------------ toasty ---------------------------------- */

.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 300; }
.toast {
    background: var(--panel);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: 10px;
    padding: 10px 14px;
    box-shadow: 0 10px 26px rgba(15, 23, 42, .18);
    max-width: 340px;
    animation: toast-in .18s ease;
}
.toast.ok { border-left-color: var(--success); }
.toast.err { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
.toast.out { opacity: 0; transform: translateX(10px); transition: all .35s ease; }
@keyframes toast-in { from { opacity: 0; transform: translateX(14px); } }

/* --------------------- lišta s nabídkou aktualizace --------------------- */

.updatebar {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px 10px 16px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 14px 34px rgba(15, 23, 42, .22);
    z-index: 250;
    max-width: calc(100vw - 32px);
}
.updatebar[hidden] { display: none !important; }

.noscript { padding: 24px; text-align: center; }

/* ------------------------------ responzivita ---------------------------- */

@media (max-width: 900px) {
    body { overflow: auto; }
    .shell {
        grid-template-columns: minmax(0, 1fr);
        height: auto;
        padding: 10px;
    }
    .sidebar { overflow: visible; }
    .tree { max-height: 40vh; }
    .main { overflow: visible; }
    .grid3, .grid2 { grid-template-columns: minmax(0, 1fr); }
    .totals { width: 100%; }
}

/* ------------------------------ tisk (skrytí UI) ------------------------ */

#print-area { display: none; }

@media print {
    body { overflow: visible; background: #fff; }
    .shell, .toasts, .modal-backdrop, .noscript { display: none !important; }
    #print-area { display: block !important; }
}