/* ============================================================================
   interactive.css — Interaktive UI/UX-Erklärseite (funktionen.php)
   Screenshot als Bühne, unsichtbare Hotspots über jedem Bedienelement.
   Hover/Tap -> Element hervorgehoben + Verbindungslinie + Dark-Popup.
   Baut auf shop.css/neodj.css-Tokens auf (--accent, --ink, --bg, --line …).
   ========================================================================== */

.ix-head { padding: 40px 0 8px; }
.ix-head .sh-kick { color: var(--accent); }
.ix-title {
    font-family: var(--font-display); font-weight: 700; color: var(--ink);
    font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.04; margin: 8px 0 12px;
}
.ix-title .nd-grad-accent { }
.ix-intro { max-width: 62ch; color: var(--muted); font-size: 1.02rem; line-height: 1.6; }

/* ---- Tab-Leiste ---------------------------------------------------------- */
.ix-tabs {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin: 26px 0 18px; padding-bottom: 4px;
}
.ix-tab {
    appearance: none; cursor: pointer;
    font-family: var(--font-display); font-weight: 700; letter-spacing: .02em;
    text-transform: uppercase; font-size: 13px;
    color: var(--muted); background: var(--nd-glass, rgba(16,18,24,.5));
    border: 1px solid var(--nd-glass-brd, rgba(255,255,255,.08));
    border-radius: 11px; padding: 10px 16px; line-height: 1;
    transition: color .15s, border-color .15s, background .15s, box-shadow .15s;
}
.ix-tab:hover { color: var(--ink); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.ix-tab.is-active {
    color: #05131d; border-color: transparent;
    background-image: var(--nd-grad, linear-gradient(95deg,#34d5cf,#3f86ff,#ff4d9d));
    box-shadow: 0 10px 26px -14px rgba(63,134,255,.7);
}
.ix-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- Panels -------------------------------------------------------------- */
.ix-panel { display: none; }
.ix-panel.is-active { display: block; }

.ix-hint {
    display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
    color: var(--muted); font-size: 13px; margin: 0 0 12px;
}
.ix-hint svg { width: 16px; height: 16px; stroke: var(--accent); flex: 0 0 auto; }

/* ---- Zoom-Leiste --------------------------------------------------------- */
.ix-zoombar { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; flex-wrap: wrap; }
.ix-zoom-btn {
    appearance: none; cursor: pointer; width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--ink); background: var(--nd-glass, rgba(16,18,24,.5));
    border: 1px solid var(--nd-glass-brd, rgba(255,255,255,.08)); border-radius: 10px;
    font-size: 18px; line-height: 1; transition: border-color .15s, background .15s, color .15s;
}
.ix-zoom-btn:hover { border-color: color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent); }
.ix-zoom-btn:disabled { opacity: .4; cursor: default; }
.ix-zoom-btn.wide { width: auto; padding: 0 14px; font-size: 12px; font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.ix-zoom-level { min-width: 52px; text-align: center; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; }

/* ---- Bühne (Screenshot + Overlay) --------------------------------------- */
/* 90 % der Fensterbreite, mittig; Wrapper scrollt beim Zoom. */
.ix-stage-wrap {
    position: relative; left: 50%; transform: translateX(-50%);
    width: min(90vw, var(--ix-maxw, 90vw)); overflow: auto; overscroll-behavior: contain;
    background: #000; /* Höhen-Cap setzt JS nur beim Zoomen (>100%),
                         damit bei 100% die ganze Oberfläche inkl. Bibliothek sichtbar ist */
    border: 1px solid var(--line); border-radius: 14px;
}
.ix-stage-wrap.is-grabbing { cursor: grabbing; }
.ix-stage {
    position: relative; display: block;
    width: calc(100% * var(--zoom, 1));
    overflow: hidden; background: #000; user-select: none;
}
.ix-shot { display: block; width: 100%; height: auto; pointer-events: none; }

/* Abdunkeln, damit Popups/Highlights lesbar sind (erst wenn aktiv) */
.ix-stage::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: rgba(2,4,8,0); transition: background .2s ease; z-index: 2;
}
.ix-stage.is-dim::after { background: rgba(2,4,8,.55); }

/* Verbindungslinien-Layer */
.ix-lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; pointer-events: none; }
.ix-lines line { stroke: var(--accent); stroke-width: 2; opacity: 0; transition: opacity .15s; }
.ix-lines circle { fill: var(--accent); opacity: 0; transition: opacity .15s; }
.ix-lines.is-on line, .ix-lines.is-on circle { opacity: 1; }

/* Hotspots */
.ix-spot {
    position: absolute; z-index: 5; margin: 0; padding: 0;
    background: transparent; border: 1px solid transparent; border-radius: 7px;
    cursor: help; transition: border-color .12s, box-shadow .12s, background .12s;
}
.ix-spot:hover, .ix-spot:focus-visible, .ix-spot.is-active {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 55%, transparent),
                0 0 22px 2px color-mix(in srgb, var(--accent) 45%, transparent);
    outline: none;
}
/* Debug: alle Hotspots sichtbar umranden (?debug=1) */
.ix-stage.is-debug .ix-spot { border-color: rgba(53,214,255,.5); background: rgba(53,214,255,.08); }

/* ---- Popup (Glas, modern, kompakt) -------------------------------------- */
.ix-pop {
    position: absolute; z-index: 6; width: min(288px, 80%);
    background: linear-gradient(180deg, rgba(20,24,33,.92), rgba(9,11,16,.95));
    -webkit-backdrop-filter: blur(16px) saturate(1.15); backdrop-filter: blur(16px) saturate(1.15);
    border: 1px solid color-mix(in srgb, var(--accent) 38%, rgba(255,255,255,.10));
    border-radius: 13px; padding: 11px 13px 12px;
    box-shadow: 0 22px 54px -22px rgba(0,0,0,.85),
                0 0 0 1px rgba(37,221,254,.06),
                0 0 36px -12px color-mix(in srgb, var(--accent) 55%, transparent);
    opacity: 0; transform: translateY(5px) scale(.985); transform-origin: center; pointer-events: none;
    transition: opacity .15s ease, transform .15s ease;
}
.ix-pop.is-on { opacity: 1; transform: translateY(0) scale(1); }
.ix-pop::before {
    content: ""; position: absolute; left: 13px; right: 13px; top: -1px; height: 2px;
    background: var(--nd-grad, linear-gradient(95deg,#34d5cf,#3f86ff,#ff4d9d));
    border-radius: 2px; opacity: .95;
}
.ix-pop-head { display: flex; align-items: center; gap: 8px; margin: 1px 0 7px; }
.ix-pop-icon {
    width: 24px; height: 24px; flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
    color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); border-radius: 7px;
}
.ix-pop-icon svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ix-pop-kicker {
    font-family: var(--font-display); font-weight: 700; text-transform: uppercase;
    letter-spacing: .07em; font-size: 10px; line-height: 1; color: var(--accent);
}
.ix-pop-title {
    font-family: var(--font-display); font-weight: 700; letter-spacing: .005em;
    color: var(--ink); font-size: 15px; line-height: 1.2; margin: 0 0 5px; text-wrap: balance;
}
.ix-pop-body { color: color-mix(in srgb, var(--ink) 74%, transparent); font-size: 12.5px; line-height: 1.5; margin: 0; }
.ix-pop-list { margin: 8px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 4px; }
.ix-pop-list li {
    position: relative; padding-left: 15px; font-size: 12px; line-height: 1.4;
    color: color-mix(in srgb, var(--ink) 78%, transparent);
}
.ix-pop-list li::before {
    content: ""; position: absolute; left: 2px; top: 6px; width: 5px; height: 5px;
    border-radius: 50%; background: var(--accent);
}
.ix-pop-list.is-empty { display: none; }

/* ---- Fallback-Liste (Zugänglichkeit / kleine Screens) ------------------- */
.ix-list { margin: 22px 0 8px; }
.ix-list summary {
    cursor: pointer; font-family: var(--font-display); font-weight: 700;
    text-transform: uppercase; letter-spacing: .03em; font-size: 13px;
    color: var(--muted); padding: 10px 0;
}
.ix-list summary:hover { color: var(--ink); }
.ix-list-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px; margin-top: 10px;
}
.ix-list-item {
    border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px;
    background: var(--nd-glass, rgba(16,18,24,.5));
}
.ix-list-item h4 { margin: 0 0 4px; font-size: 14px; color: var(--ink); font-family: var(--font-display); font-weight: 700; }
.ix-list-item p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.45; }

/* ---- „In Vorbereitung"-Zustand (fehlender Screenshot) ------------------- */
.ix-soon {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; gap: 10px; min-height: 320px;
    border: 1px dashed var(--line); border-radius: 14px;
    background: radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%), #000;
    padding: 40px 24px;
}
.ix-soon svg { width: 38px; height: 38px; stroke: var(--accent); }
.ix-soon h3 { font-family: var(--font-display); font-weight: 700; color: var(--ink); margin: 0; font-size: 1.4rem; }
.ix-soon p { color: var(--muted); margin: 0; max-width: 46ch; }