/* ============================================================
   Pano-POI-Editor – Stylesheet
   ============================================================ */

:root {
    --bg:           #15171c;
    --bg-elev-1:    #1c1f26;
    --bg-elev-2:    #232732;
    --bg-elev-3:    #2c313e;
    --border:       #353a47;
    --border-soft:  #2a2e39;
    --text:         #e7e9ee;
    --text-soft:    #a4a9b5;
    --text-mute:    #6b7180;
    --accent:       #6aa7ff;
    --accent-h:     #4f8eff;
    --accent-dim:   rgba(106,167,255,.22);
    --danger:       #ff6a6a;
    --ok:           #5cd193;
    --warn:         #f7b955;
    --shadow-md:    0 4px 16px rgba(0,0,0,.35);
    --shadow-lg:    0 10px 30px rgba(0,0,0,.45);

    --topbar-h:     52px;
    --thumbbar-h:   140px;
    --sidebar-w:    320px;

    --radius:       8px;
    --radius-sm:    5px;

    --font-ui:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --font-mono:    ui-monospace, SFMono-Regular, "SF Mono", Menlo,
                    Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 var(--font-ui);
    overscroll-behavior: none;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
    height: var(--topbar-h);
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 16px;
    background: var(--bg-elev-1);
    border-bottom: 1px solid var(--border-soft);
}

.brand {
    font-weight: 600;
    letter-spacing: .2px;
    color: var(--text);
}

.topbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    color: var(--text-soft);
    font-size: 13px;
}

.save-indicator {
    font-size: 12px;
    color: var(--text-mute);
    min-width: 80px;
    text-align: right;
    transition: color .2s;
}
.save-indicator.saving  { color: var(--warn); }
.save-indicator.saved   { color: var(--ok); }
.save-indicator.error   { color: var(--danger); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--bg-elev-2);
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: background .15s, border-color .15s, color .15s;
}
.btn:hover  { background: var(--bg-elev-3); }
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #0c0e12;
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }
.btn-ghost  { background: transparent; }
.btn-ghost:hover { background: var(--bg-elev-2); }

/* ============================================================
   Mode-Switch (Segmented Control)
   ============================================================ */
.mode-switch {
    display: inline-flex;
    background: var(--bg-elev-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 3px;
    gap: 2px;
}
.mode-switch .seg {
    display: inline-flex; align-items: center; gap: 6px;
    background: transparent;
    border: 0;
    color: var(--text-soft);
    padding: 5px 12px;
    border-radius: 4px;
    transition: background .15s, color .15s;
}
.mode-switch .seg:hover { color: var(--text); }
.mode-switch .seg.active {
    background: var(--bg-elev-3);
    color: var(--text);
    box-shadow: inset 0 0 0 1px var(--border);
}
body.mode-edit .mode-switch .seg[data-mode="edit"] {
    background: var(--accent);
    color: #0c0e12;
    box-shadow: none;
}

/* ============================================================
   Thumbbar
   ============================================================ */
.thumbbar {
    flex: 0 0 auto;
    height: var(--thumbbar-h);
    background: var(--bg-elev-1);
    border-bottom: 1px solid var(--border-soft);
    overflow: hidden;
}
.thumb-rail {
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    display: flex;
    gap: 8px;
    padding: 10px 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--bg-elev-3) transparent;
}
.thumb-rail::-webkit-scrollbar { height: 8px; }
.thumb-rail::-webkit-scrollbar-thumb { background: var(--bg-elev-3); border-radius: 4px; }
.thumb-rail::-webkit-scrollbar-track { background: transparent; }

.thumb-empty {
    color: var(--text-mute);
    align-self: center;
    padding: 0 8px;
}

.thumb {
    position: relative;
    flex: 0 0 auto;
    height: 100%;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--bg-elev-2);
    overflow: hidden;
    transition: border-color .15s, transform .15s;
}
.thumb img {
    display: block;
    height: 100%;
    width: auto;
    user-select: none;
    -webkit-user-drag: none;
}
.thumb:hover { border-color: var(--border); }
.thumb.active { border-color: var(--accent); }

.thumb-label {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 4px 8px;
    background: linear-gradient(to top, rgba(0,0,0,.7), rgba(0,0,0,0));
    color: var(--text);
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.thumb-badge {
    position: absolute;
    top: 6px; right: 6px;
    min-width: 20px; height: 20px;
    padding: 0 5px;
    border-radius: 10px;
    background: var(--accent);
    color: #0c0e12;
    font-size: 11px;
    font-weight: 700;
    line-height: 20px;
    text-align: center;
}

/* ============================================================
   Workspace (Stage + Sidebar)
   ============================================================ */
.workspace {
    flex: 1 1 auto;
    display: flex;
    min-height: 0;
}

.stage-wrap {
    position: relative;
    flex: 1 1 auto;
    background:
        repeating-linear-gradient(45deg,
            rgba(255,255,255,.012) 0 12px,
            transparent 12px 24px),
        var(--bg);
    overflow: hidden;
    user-select: none;
    touch-action: none;
}

.stage {
    position: absolute;
    top: 0; left: 0;
    transform-origin: 0 0;
    transform: translate(var(--tx, 0px), var(--ty, 0px)) scale(var(--s, 1));
    will-change: transform;
}

.stage img {
    display: block;
    pointer-events: none;
    -webkit-user-drag: none;
    user-select: none;
}

.poi-layer {
    position: absolute;
    inset: 0;
    pointer-events: none; /* einzelne POIs aktivieren das selbst */
}

/* Mode-abhängige Cursor für die Stage */
body.mode-view .stage-wrap { cursor: grab; }
body.mode-view .stage-wrap.is-panning { cursor: grabbing; }
body.mode-edit .stage-wrap { cursor: crosshair; }
body.mode-edit .stage-wrap.is-panning { cursor: grabbing; }

.stage-empty {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-mute);
    pointer-events: none;
    font-size: 15px;
}
body.has-image .stage-empty { display: none; }

/* Zoom-Controls */
.zoom-controls {
    position: absolute;
    left: 12px; bottom: 12px;
    display: flex;
    background: rgba(28,31,38,.92);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}
.zoom-controls button {
    background: transparent;
    border: 0;
    color: var(--text);
    width: 38px; height: 34px;
    font-size: 16px;
    line-height: 1;
    border-right: 1px solid var(--border-soft);
    transition: background .15s;
}
.zoom-controls button:last-child { border-right: 0; }
.zoom-controls button:hover { background: var(--bg-elev-3); }
.zoom-controls button[disabled] { opacity: .35; cursor: not-allowed; }

.mode-hint {
    position: absolute;
    right: 12px; bottom: 12px;
    padding: 6px 10px;
    font-size: 12px;
    color: var(--text-soft);
    background: rgba(28,31,38,.92);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(8px);
    pointer-events: none;
    opacity: 0;
    transition: opacity .2s;
}
body.has-image .mode-hint { opacity: 1; }

/* ============================================================
   POI-Marker
   ============================================================ */
.poi {
    position: absolute;
    left: var(--x, 0px);
    top:  var(--y, 0px);
    width: 40px; height: 40px;
    margin: -20px 0 0 -20px;
    border-radius: 50%;
    border: 3px solid #ffffff;
    background: rgba(0,0,0,.25);
    box-shadow: 0 2px 6px rgba(0,0,0,.5), 0 0 0 1px rgba(0,0,0,.4);
    pointer-events: auto;
    cursor: pointer;
    /* Konstante Bildschirm-Größe trotz Stage-Zoom */
    transform: scale(calc(1 / var(--s, 1)));
    transform-origin: center;
    transition: border-color .15s, background .15s;
}
.poi::after {
    content: "";
    position: absolute;
    inset: 0;
    margin: auto;
    width: 25px; height: 25px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 2px rgba(0,0,0,.25);
}
.poi:hover, .poi.highlight { border-color: var(--accent); }
.poi.selected {
    border-color: var(--warn);
}
.poi.selected::after {
    background: var(--warn);
}
.poi-num {
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translate(8px, -50%);
    background: rgba(0,0,0,.7);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    pointer-events: none;
    white-space: nowrap;
}

body.mode-edit .poi { cursor: grab; }
body.mode-edit .poi.dragging { cursor: grabbing; }

/* ============================================================
   Sidebar
   ============================================================ */
.sidebar {
    flex: 0 0 var(--sidebar-w);
    background: var(--bg-elev-1);
    border-left: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.sidebar-head {
    flex: 0 0 auto;
    display: flex; align-items: center;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-soft);
    gap: 10px;
}
.sidebar-head h2 {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: .8px;
}
.poi-count {
    margin-left: auto;
    min-width: 22px;
    padding: 2px 8px;
    border-radius: 11px;
    background: var(--bg-elev-3);
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

.poi-list {
    list-style: none;
    margin: 0; padding: 8px;
    overflow-y: auto;
    flex: 1 1 auto;
}
.poi-list:empty::before {
    content: "Keine POIs.";
    display: block;
    padding: 12px 8px;
    color: var(--text-mute);
    font-style: italic;
}

.poi-item {
    background: var(--bg-elev-2);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    padding: 10px;
    margin-bottom: 8px;
    transition: border-color .15s, background .15s;
}
.poi-item:hover { border-color: var(--border); }
.poi-item.highlight {
    border-color: var(--accent);
    background: var(--bg-elev-3);
}
.poi-item.selected {
    border-color: var(--warn);
    background: var(--bg-elev-3);
}

.poi-item-head {
    display: flex; align-items: center;
    margin-bottom: 6px;
}
.poi-item .poi-num {
    position: static;
    transform: none;
    background: var(--accent);
    color: #0c0e12;
}
.poi-item.selected .poi-num { background: var(--warn); }

.poi-del {
    margin-left: auto;
    width: 28px; height: 28px;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255,106,106,.08);
    border: 1px solid rgba(255,106,106,.35);
    color: var(--danger);
    border-radius: var(--radius-sm);
    transition: background .15s, color .15s, border-color .15s;
}
body.mode-edit .poi-del { display: inline-flex; }
.poi-del:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}
.poi-del:active { transform: translateY(1px); }
.poi-del svg { display: block; }

.poi-text {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
    resize: none;
    overflow: hidden;          /* Autosize via JS; nie Scrollbar */
    font: inherit;
    line-height: 1.4;
    min-height: 32px;
    display: block;
}
.poi-text:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}
body.mode-view .poi-text {
    pointer-events: none;
    background: transparent;
    border-color: transparent;
    padding: 2px 0;
    color: var(--text-soft);
    min-height: 0;
    cursor: default;
}

.sidebar-foot {
    flex: 0 0 auto;
    padding: 10px 14px;
    border-top: 1px solid var(--border-soft);
    color: var(--text-mute);
    font-size: 12px;
}

/* ============================================================
   Login-Seite
   ============================================================ */
.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background:
        radial-gradient(ellipse at top, rgba(106,167,255,.08), transparent 60%),
        var(--bg);
}
.login-card {
    background: var(--bg-elev-1);
    padding: 32px;
    width: 100%;
    max-width: 340px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
}
.login-card h1 {
    margin: 0 0 4px;
    font-size: 18px;
    font-weight: 600;
}
.login-card .subtitle {
    margin: 0 0 22px;
    color: var(--text-mute);
    font-size: 13px;
}
.login-card label {
    display: block;
    margin-bottom: 14px;
}
.login-card label span {
    display: block;
    margin-bottom: 5px;
    font-size: 12px;
    color: var(--text-soft);
}
.login-card input {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    font: inherit;
}
.login-card input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}
.login-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: 6px;
    padding: 10px;
}
.alert {
    background: rgba(255,106,106,.1);
    color: #ff9b9b;
    border: 1px solid rgba(255,106,106,.35);
    padding: 9px 11px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 800px) {
    :root {
        --topbar-h: 48px;
        --thumbbar-h: 110px;
        --sidebar-w: 100%;
    }
    .workspace { flex-direction: column; }
    .sidebar {
        flex: 0 0 240px;
        border-left: 0;
        border-top: 1px solid var(--border-soft);
    }
    .topbar .brand { display: none; }
}

@media (max-width: 480px) {
    .mode-switch .seg { padding: 5px 8px; }
    .mode-switch .seg svg { display: none; }
}

/* ============================================================
   Sidebar-Actions (Vorschau-Button)
   ============================================================ */
.sidebar-actions {
    flex: 0 0 auto;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-soft);
    background: var(--bg-elev-1);
}
.preview-btn {
    width: 100%;
    justify-content: center;
    padding: 9px 12px;
    font-weight: 600;
}
.preview-btn[disabled] {
    opacity: .4;
    cursor: not-allowed;
    background: var(--bg-elev-2);
    color: var(--text-mute);
    border-color: var(--border-soft);
}
.preview-btn[disabled]:hover { background: var(--bg-elev-2); }

/* ============================================================
   Modal
   ============================================================ */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: modalIn .15s ease-out;
}
.modal[hidden] { display: none; }
@keyframes modalIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}
.modal-content {
    position: relative;
    width: min(94vw, 1400px);
    height: min(90vh, 900px);
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.modal-head {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-soft);
}
.modal-head h2 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
}
.modal-subtitle {
    color: var(--text-mute);
    font-size: 12px;
}
.modal-close {
    margin-left: auto;
    padding: 6px 8px;
}
.modal-body {
    flex: 1 1 auto;
    position: relative;
    background: #000;
}
#panoViewer { width: 100%; height: 100%; }
.modal-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-soft);
    font-size: 14px;
    background: #000;
    pointer-events: none;
    transition: opacity .2s;
}
.modal-loading.hide { opacity: 0; }

/* ============================================================
   Pannellum-Hotspot-Override (POIs in der 360°-Vorschau)
   #panoViewer-Prefix wegen Cascade-Reihenfolge: Pannellums CSS
   wird lazy geladen und käme sonst nach unserem.
   Wichtig: kein margin/transform am Container — Pannellum
   positioniert selbst (left/top + translate(-50%,-50%)).
   ============================================================ */
#panoViewer .pano-poi-hotspot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid #fff;
    background: rgba(0,0,0,.35);
    box-shadow: 0 2px 6px rgba(0,0,0,.5), 0 0 0 1px rgba(0,0,0,.35);
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
}
#panoViewer .pano-poi-hotspot:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim), 0 2px 6px rgba(0,0,0,.5);
}

#panoViewer .pano-poi-hotspot .mk {
    position: absolute;
    inset: 0; margin: auto;
    width: 22px; height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    background: var(--accent);
    color: #0c0e12;
    font-weight: 700;
    font-size: 12px;
    font-family: var(--font-ui);
    pointer-events: none;
    transition: transform .15s;
}
#panoViewer .pano-poi-hotspot:hover .mk { transform: scale(1.15); }

#panoViewer .pano-poi-hotspot .tt {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%);
    background: rgba(20,22,28,.96);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    max-width: 280px;
    width: max-content;
    white-space: pre-wrap;
    font-size: 13px;
    line-height: 1.45;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    opacity: 0;
    transition: opacity .12s;
    z-index: 10;
}
#panoViewer .pano-poi-hotspot .tt::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: rgba(20,22,28,.96);
}
#panoViewer .pano-poi-hotspot:hover .tt { opacity: 1; }