/* byteworkz — Shared shell, hub, topbar, widgets.
 * Voidcore-aligned dark tokens (mirrored from bytepaint), ByteSide orange accent.
 * Per-app styles live in doc.css + sheet.css.
 */

:root {
    color-scheme: dark;
    --bg: #06171E;
    --bg-2: #030a0d;
    --fg: #e8eef1;
    --fg-muted: #9aa8ae;
    --fg-dim: #6a787e;
    --border: rgba(255, 255, 255, 0.10);
    --border-soft: rgba(255, 255, 255, 0.06);
    --surface: #0f1f26;
    --surface-2: #14262e;
    --surface-3: #1b3038;
    --accent: #FD7D00;
    --accent-fg: #ffffff;
    --accent-dim: rgba(253, 125, 0, 0.18);
    --danger: #ff5f57;
    --ok: #6bd968;
    --topbar-h: 48px;
    --radius: 4px;
    --radius-lg: 8px;
    --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; }
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

html, body {
    margin: 0; padding: 0;
    font-family: var(--sans);
    font-size: 14px;
    color: var(--fg);
    background: var(--bg);
    height: 100%;
    overflow: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; }

/* ---------------- Topbar ---------------- */

.topbar {
    height: var(--topbar-h);
    display: flex; align-items: center;
    padding: 0 12px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 12px;
    position: sticky; top: 0; z-index: 50;
}
.brand {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; border: 0; cursor: pointer;
    padding: 4px 8px; border-radius: var(--radius);
    color: var(--fg);
}
.brand:hover { background: var(--surface-2); }
.brand-mark { color: var(--accent); font-size: 16px; line-height: 1; }
.brand-text { font-weight: 600; letter-spacing: 0.2px; }
.topbar-center { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-version { font-family: var(--mono); font-size: 11px; color: var(--fg-dim); }

.doc-title-input {
    background: transparent; border: 1px solid transparent;
    color: var(--fg); font: inherit;
    padding: 4px 8px; border-radius: var(--radius);
    min-width: 120px; max-width: 360px;
    text-overflow: ellipsis;
}
.doc-title-input:hover { background: var(--surface-2); }
.doc-title-input:focus { background: var(--bg); border-color: var(--border); outline: none; }

.save-indicator {
    font-size: 11px; color: var(--fg-dim);
    padding: 2px 6px;
    transition: opacity .25s;
}
.save-indicator[data-state="saving"] { color: var(--accent); }
.save-indicator[data-state="saved"] { color: var(--ok); }
.save-indicator[data-state="error"] { color: var(--danger); }

/* ---------------- Main ---------------- */

#app-root {
    height: calc(100% - var(--topbar-h));
    overflow: hidden;
    position: relative;
}
.view {
    position: absolute; inset: 0;
    overflow: auto;
    display: flex; flex-direction: column;
}
.view[hidden] { display: none; }

/* ---------------- Hub ---------------- */

.view-hub { background: var(--bg); overflow-y: auto; }
.hub-inner {
    max-width: 920px;
    margin: 0 auto;
    padding: 64px 32px 48px;
}
.hub-title { font-size: 40px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.5px; }
.hub-title::first-letter { color: var(--accent); }
.hub-sub { color: var(--fg-muted); margin: 0 0 32px; max-width: 540px; }

.hub-tiles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}
.hub-tile {
    display: flex; align-items: center; gap: 16px;
    padding: 24px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--fg);
    cursor: pointer;
    text-align: left;
    transition: border-color .15s, background .15s, transform .15s;
}
.hub-tile:hover {
    border-color: var(--accent);
    background: var(--surface-2);
    transform: translateY(-1px);
}
.hub-tile-icon {
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    color: var(--accent);
    flex-shrink: 0;
}
.hub-tile:hover .hub-tile-icon { background: var(--accent-dim); }
.hub-tile-name { font-size: 18px; font-weight: 600; margin-bottom: 2px; }
.hub-tile-desc { color: var(--fg-muted); font-size: 13px; }

.hub-actions {
    display: flex; gap: 8px; flex-wrap: wrap;
    margin-bottom: 32px;
}

.hub-section-title {
    font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--fg-muted);
    margin: 0 0 12px;
}
.recent-list { list-style: none; padding: 0; margin: 0; }
.recent-row {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
}
.recent-row:hover { background: var(--surface); border-color: var(--border-soft); }
.recent-row-icon {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface-2);
    border-radius: var(--radius);
    color: var(--accent);
    flex-shrink: 0;
}
.recent-row-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-row-meta { color: var(--fg-dim); font-size: 12px; font-family: var(--mono); }
.recent-row-badge {
    font-size: 10px; padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: 3px; color: var(--fg-muted);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.recent-row-del {
    background: transparent; border: 0; color: var(--fg-dim);
    padding: 4px 6px; border-radius: var(--radius); cursor: pointer;
}
.recent-row-del:hover { color: var(--danger); background: var(--surface-2); }
.recent-empty {
    padding: 24px; text-align: center;
    color: var(--fg-dim); font-size: 13px;
    border: 1px dashed var(--border-soft);
    border-radius: var(--radius-lg);
}

/* ---------------- Buttons ---------------- */

.btn, .btn-primary, .btn-secondary, .btn-icon {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 6px;
    height: 30px; padding: 0 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--fg);
    cursor: pointer;
    font-size: 13px;
    transition: background .12s, border-color .12s;
}
.btn:hover, .btn-secondary:hover { background: var(--surface-2); border-color: var(--border); }
.btn-primary {
    background: var(--accent); color: var(--accent-fg);
    border-color: var(--accent);
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-icon { width: 30px; padding: 0; }
.btn-icon.active { background: var(--accent-dim); color: var(--accent); border-color: var(--accent); }
.btn-icon svg { width: 16px; height: 16px; display: block; }
.btn[disabled], .btn-primary[disabled], .btn-secondary[disabled], .btn-icon[disabled] {
    opacity: 0.45; cursor: not-allowed;
}

.btn-divider {
    width: 1px; height: 18px;
    background: var(--border);
    margin: 0 4px;
}

/* ---------------- Toolbars (shared across apps) ---------------- */

.toolbar {
    display: flex; align-items: center; gap: 4px;
    padding: 6px 10px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.toolbar select {
    height: 28px; padding: 0 8px;
    background: var(--bg); color: var(--fg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font: inherit; font-size: 12px;
}
.toolbar input[type="color"] {
    width: 28px; height: 28px;
    border: 1px solid var(--border);
    background: transparent; padding: 2px;
    border-radius: var(--radius);
    cursor: pointer;
}

/* ---------------- Tabs (open documents) ---------------- */

.tabs-bar {
    display: flex; align-items: stretch;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    min-height: 32px;
}
.tab {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 0 8px 0 12px;
    border-right: 1px solid var(--border-soft);
    background: transparent;
    color: var(--fg-muted);
    cursor: pointer;
    font-size: 12px;
    white-space: nowrap;
    max-width: 220px;
    user-select: none;
}
.tab:hover { color: var(--fg); background: var(--surface); }
.tab.active { background: var(--surface); color: var(--fg); border-bottom: 2px solid var(--accent); }
.tab-title { overflow: hidden; text-overflow: ellipsis; max-width: 160px; }
.tab-close {
    background: transparent; border: 0; color: inherit;
    width: 18px; height: 18px; line-height: 18px;
    text-align: center; cursor: pointer;
    border-radius: 50%; font-size: 14px;
}
.tab-close:hover { background: var(--surface-2); color: var(--danger); }
.tab-add {
    background: transparent; border: 0; color: var(--fg-muted);
    padding: 0 12px; cursor: pointer; font-size: 16px;
}
.tab-add:hover { color: var(--accent); }

/* ---------------- Status bar ---------------- */

.status-bar {
    display: flex; align-items: center; gap: 16px;
    padding: 4px 12px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    color: var(--fg-muted);
    font-size: 11px; font-family: var(--mono);
    min-height: 24px;
}
.status-bar .spacer { flex: 1; }

/* ---------------- Toast ---------------- */

.toast-host {
    position: fixed; bottom: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex; flex-direction: column; gap: 6px;
    align-items: center; pointer-events: none;
}
.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 8px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    animation: toast-in .18s ease-out;
    pointer-events: auto;
    max-width: 480px;
}
.toast[data-kind="error"] { border-left-color: var(--danger); }
.toast[data-kind="ok"]    { border-left-color: var(--ok); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------------- Modal ---------------- */

.modal-host {
    position: fixed; inset: 0; z-index: 150;
    background: rgba(0,0,0,0.55);
    display: flex; align-items: center; justify-content: center;
    padding: 16px;
}
.modal-host[hidden] { display: none; }
.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 32px rgba(0,0,0,0.6);
    max-width: 480px; width: 100%;
    max-height: 90vh; overflow: auto;
    animation: modal-in .15s ease-out;
}
@keyframes modal-in {
    from { opacity: 0; transform: scale(0.97); }
    to   { opacity: 1; transform: scale(1); }
}
.modal-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.modal-title { font-size: 15px; font-weight: 600; }
.modal-body { padding: 16px 18px; }
.modal-body label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--fg-muted); }
.modal-body input[type="text"],
.modal-body input[type="number"],
.modal-body textarea,
.modal-body select {
    width: 100%;
    background: var(--bg); color: var(--fg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 10px; font: inherit;
    margin-bottom: 12px;
}
.modal-actions {
    display: flex; gap: 8px; justify-content: flex-end;
    padding: 12px 18px;
    border-top: 1px solid var(--border);
}
.modal-row { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.modal-row > * { flex: 1; }

/* ---------------- Context menu ---------------- */

.ctx-menu {
    position: fixed; z-index: 180;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    min-width: 180px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}
.ctx-menu button {
    display: block; width: 100%;
    text-align: left;
    background: transparent; border: 0; color: var(--fg);
    padding: 6px 10px;
    border-radius: var(--radius);
    cursor: pointer; font-size: 13px;
}
.ctx-menu button:hover { background: var(--surface-2); }
.ctx-menu .ctx-sep { height: 1px; background: var(--border-soft); margin: 4px 0; }

/* ---------------- Responsive ---------------- */

@media (max-width: 640px) {
    .hub-inner { padding: 32px 16px; }
    .hub-title { font-size: 28px; }
    .hub-tiles { grid-template-columns: 1fr; }
    .topbar-version { display: none; }
    .doc-title-input { max-width: 160px; }
}

/* ─── Info pages (imprint / privacy) ───────────────────────────────────
 * Long-form legal content with bilingual DE/EN. The body switches from
 * overflow:hidden (app shell mode) to overflow:auto here so the page can
 * scroll normally. Both DE and EN are embedded as siblings; CSS hides the
 * one that doesn't match <html lang> (set by legal-lang.js). */
body.info-page {
    display: block;
    overflow: auto;
}
.info-shell {
    max-width: 640px;
    margin: 48px auto;
    padding: 0 24px;
    line-height: 1.55;
    position: relative;
}
.info-shell h1 {
    font-size: 26px;
    margin-bottom: 8px;
    padding-right: 80px;
}
.info-shell h2 {
    font-size: 17px;
    margin-top: 32px;
    margin-bottom: 10px;
    color: var(--fg);
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-soft);
}
.info-shell h3 {
    font-size: 14px;
    margin-top: 18px;
    margin-bottom: 6px;
    color: var(--fg);
    font-weight: 600;
}
.info-shell p, .info-shell ul, .info-shell li { color: var(--fg); }
.info-shell ul { padding-left: 22px; }
.info-shell li { margin-bottom: 4px; }
.info-shell a { color: var(--accent); }
.info-shell code {
    font-family: var(--mono);
    font-size: 0.88em;
    padding: 1px 5px;
    border-radius: 3px;
    background: var(--surface);
    color: var(--fg);
    border: 1px solid var(--border-soft);
}
.info-lede {
    color: var(--fg-muted);
    font-size: 13px;
    margin-top: 0;
    margin-bottom: 24px;
    padding: 12px 14px;
    border-left: 3px solid var(--accent);
    background: var(--surface);
    border-radius: 0 var(--radius) var(--radius) 0;
}
html[lang="de"] [lang="en"] { display: none; }
html[lang="en"] [lang="de"] { display: none; }
.lang-toggle {
    position: absolute;
    top: 0;
    right: 24px;
    display: inline-flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--surface);
    font-family: var(--mono);
}
.lang-toggle button {
    padding: 5px 11px;
    background: transparent;
    color: var(--fg-muted);
    border: none;
    cursor: pointer;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    transition: background 0.12s, color 0.12s;
}
.lang-toggle button + button { border-left: 1px solid var(--border); }
.lang-toggle button[data-active] {
    background: var(--accent);
    color: var(--accent-fg);
}
.lang-toggle button:hover:not([data-active]) {
    background: var(--surface-2);
    color: var(--fg);
}
@media (max-width: 768px) {
    .lang-toggle button { padding: 9px 14px; font-size: 12px; }
}
@media print {
    .lang-toggle { display: none; }
    .info-shell h1 { padding-right: 0; }
}
.info-back {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--fg-muted);
    text-decoration: none;
    font-size: 13px;
}
.info-back:hover { color: var(--accent); }
.info-foot {
    margin-top: 32px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--fg-muted);
    font-size: 12px;
}

/* ─── About modal extras (keyboard help table) ─────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 6px 16px;
    font-size: 13px;
    margin-top: 8px;
}
.about-grid kbd {
    font-family: var(--mono);
    font-size: 11px;
    padding: 2px 6px;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: var(--bg);
    color: var(--fg);
    white-space: nowrap;
}
.about-section {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border-soft);
}
.about-section h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--fg-muted);
    margin: 0 0 8px;
}
.about-links {
    display: flex; flex-wrap: wrap; gap: 6px 14px;
    font-size: 13px;
}
.about-links a { color: var(--accent); text-decoration: none; }
.about-links a:hover { text-decoration: underline; }