/* ══════════════════════════════════════════
   MOBILE LAYER — Participant App
   Aktiv unter 768px. Ersetzt Funnel durch vertikalen Content-Stack.
   Nutzt Design Tokens aus ../shared/shared.css
   ══════════════════════════════════════════ */

/* Desktop (≥769px) — Mobile-Layer komplett deaktiviert */
#mobile-stack,
.m-ship { display: none; }

/* Phase-Sheet bleibt auf Desktop immer hidden */
.phase-sheet[hidden] { display: none !important; }

/* ══════════ BREAKPOINT ══════════ */
@media (max-width: 768px) {
  /* Desktop sperrt html/body/.page auf 100vh — Mobile braucht Scroll */
  html, body {
    overflow: auto !important;
    height: auto !important;
  }
  .page {
    height: auto !important;
    min-height: 100vh;
    overflow: visible !important;
  }

  /* Desktop-Strukturen aus — Funnel, Panels, Legende */
  .funnel-container,
  .detail-panel,
  .bwv-legend {
    display: none !important;
  }

  /* Mobile-Stack an */
  #mobile-stack {
    display: block;
    padding: 0 0 120px;
    position: relative;
  }

  /* Header etwas enger auf Mobile */
  .bwv-header {
    padding: 14px 16px;
  }
  .bwv-header .subtitle {
    font-size: 0.7rem;
  }

  /* ── Sticky Phasen-Header ── */
  .m-sticky {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(10, 10, 20, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px 10px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
  }
  .m-sticky-label {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
  }
  .m-sticky-phase {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .m-sticky-counter {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }
  .m-jump-btn {
    background: var(--glass-8);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.75rem;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    min-height: 36px;
    white-space: nowrap;
  }
  .m-jump-btn:hover,
  .m-jump-btn:focus-visible {
    background: var(--glass-15);
  }
  .m-jump-btn-icon {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
  }
  .m-jump-btn[aria-expanded="true"] .m-jump-btn-icon {
    transform: rotate(180deg);
  }

  /* ── Sprung-Menü (Dropdown) ── */
  .m-jump-menu {
    position: absolute;
    top: calc(100% + 4px);
    right: 12px;
    background: rgba(15, 15, 28, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 6px;
    min-width: 200px;
    max-width: calc(100vw - 24px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    display: none;
  }
  .m-jump-menu.is-open {
    display: block;
  }
  .m-jump-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: none;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    width: 100%;
    text-align: left;
    min-height: 44px;
  }
  .m-jump-item:hover,
  .m-jump-item:focus-visible {
    background: var(--glass-8);
  }
  .m-jump-item-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
  }
  .m-jump-item-title {
    flex: 1;
    font-weight: 600;
    line-height: 1.2;
  }
  .m-jump-item-sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
  }

  /* ── Trajektorie + Ship ── */
  .m-trail {
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
      to bottom,
      var(--orange) 0%,
      var(--orange) 18%,
      var(--p1) 32%,
      var(--p2) 50%,
      var(--p2) 72%,
      var(--p3) 92%,
      var(--p3) 100%
    );
    opacity: 0.35;
    pointer-events: none;
  }
  .m-ship {
    display: block;
    position: fixed;
    left: 10px;
    top: 0;
    width: 18px;
    height: 18px;
    transform: translate3d(0, 0, 0);
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
    pointer-events: none;
    z-index: 5;
    filter: drop-shadow(0 0 6px currentColor);
  }

  /* ── Phase Divider ── */
  .m-phase-divider {
    position: relative;
    padding: 32px 16px 14px 32px;
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .m-phase-divider-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .m-phase-divider-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.15;
    margin: 0;
  }
  .m-phase-divider-subtitle {
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 2px 0 0;
  }
  .m-phase-divider[data-phase="conv"] .m-phase-divider-title { color: var(--orange); }
  .m-phase-divider[data-phase="p1"]   .m-phase-divider-title { color: var(--p1); }
  .m-phase-divider[data-phase="p2a"]  .m-phase-divider-title,
  .m-phase-divider[data-phase="p2b"]  .m-phase-divider-title { color: var(--p2); }
  .m-phase-divider[data-phase="p3"]   .m-phase-divider-title { color: var(--p3); }

  /* ── Slot Cards ── */
  .m-slot {
    position: relative;
    margin: 0 16px 12px 32px;
    padding: 16px 18px;
    background: var(--glass-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 14px;
    color: inherit;
    text-align: left;
    font-family: inherit;
    width: calc(100% - 48px);
    cursor: default;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  }
  .m-slot.is-tappable {
    cursor: pointer;
  }
  .m-slot.is-tappable:active {
    transform: scale(0.995);
    background: var(--glass-5);
  }
  .m-slot:focus-visible {
    outline: 2px solid var(--orange);
    outline-offset: 2px;
  }
  .m-slot-number {
    grid-row: 1 / 3;
    font-family: var(--font-heading);
    font-size: 1.9rem;
    font-weight: 900;
    line-height: 1;
    color: var(--text-faint);
    align-self: start;
    min-width: 2.4ch;
    letter-spacing: -0.02em;
  }
  .m-slot[data-phase="conv"] .m-slot-number { color: rgba(255,85,0,0.55); }
  .m-slot[data-phase="p1"]   .m-slot-number { color: rgba(200,255,58,0.60); }
  .m-slot[data-phase="p2a"]  .m-slot-number,
  .m-slot[data-phase="p2b"]  .m-slot-number { color: rgba(94,224,255,0.60); }
  .m-slot[data-phase="p3"]   .m-slot-number { color: rgba(255,46,126,0.60); }

  .m-slot-head {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
  }
  .m-slot-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.02rem;
    color: var(--text);
    line-height: 1.25;
    margin: 0;
  }
  .m-slot-duration {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
  }
  .m-slot-teaser {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin: 4px 0 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .m-slot-teaser-full {
    font-family: var(--font-body);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 8px 0 0;
    grid-column: 1 / -1;
    display: none;
  }
  .m-slot.is-expanded .m-slot-teaser { display: none; }
  .m-slot.is-expanded .m-slot-teaser-full { display: block; }
  .m-slot-teaser-full ul {
    margin: 4px 0 0;
    padding-left: 20px;
  }
  .m-slot-teaser-full li {
    margin-bottom: 4px;
  }

  .m-slot-footer {
    grid-column: 2 / 3;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
  }
  .m-phase-tag {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--glass-5);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 500;
  }
  .m-slot[data-phase="conv"] .m-phase-tag {
    background: rgba(255,85,0,0.10);
    color: var(--orange-soft);
    border-color: var(--orange-border);
  }
  .m-slot[data-phase="p1"] .m-phase-tag {
    background: rgba(200,255,58,0.10);
    color: var(--p1);
    border-color: rgba(200,255,58,0.28);
  }
  .m-slot[data-phase="p2a"] .m-phase-tag,
  .m-slot[data-phase="p2b"] .m-phase-tag {
    background: rgba(94,224,255,0.10);
    color: var(--p2);
    border-color: rgba(94,224,255,0.28);
  }
  .m-slot[data-phase="p3"] .m-phase-tag {
    background: rgba(255,46,126,0.10);
    color: var(--p3);
    border-color: rgba(255,46,126,0.28);
  }
  .m-slot-tools-count {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
  }
  .m-slot-chevron {
    margin-left: auto;
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    opacity: 0.7;
  }
  .m-slot:not(.is-tappable) .m-slot-chevron {
    display: none;
  }

  /* ── Phase Details Button ── */
  .m-phase-details-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin: 4px 16px 24px 32px;
    padding: 12px 16px;
    background: var(--glass-2);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    width: calc(100% - 48px);
    min-height: 44px;
    text-align: left;
  }
  .m-phase-details-btn:hover,
  .m-phase-details-btn:focus-visible {
    background: var(--glass-5);
    color: var(--text);
    border-style: solid;
  }

  /* ── Phase Sheet ── */
  .phase-sheet {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 240ms ease;
  }
  .phase-sheet.is-open {
    opacity: 1;
    pointer-events: auto;
  }
  .phase-sheet-inner {
    width: 100%;
    max-width: 640px;
    max-height: 88vh;
    background: rgba(15, 15, 28, 0.98);
    border: 1px solid var(--border-strong);
    border-bottom: none;
    border-radius: 24px 24px 0 0;
    padding: 22px 20px 28px;
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
  }
  .phase-sheet.is-open .phase-sheet-inner {
    transform: translateY(0);
  }
  .phase-sheet-inner::before {
    content: "";
    display: block;
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: var(--glass-30);
    margin: 0 auto 18px;
  }
  .phase-sheet-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: var(--glass-5);
    border: 1px solid var(--border);
    color: var(--text);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    padding: 0;
  }
  .phase-sheet-close:hover,
  .phase-sheet-close:focus-visible {
    background: var(--glass-15);
  }
  .phase-sheet-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 6px;
  }
  .phase-sheet-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 4px;
    line-height: 1.15;
  }
  .phase-sheet-subtitle {
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0 0 16px;
  }
  .phase-sheet-desc {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.55;
    margin: 0 0 18px;
  }
  .phase-sheet-section-label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 18px 0 8px;
  }
  .phase-sheet-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .phase-sheet-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--glass-5);
    color: var(--text-secondary);
    border: 1px solid var(--border);
  }
  .phase-sheet-docs {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  .phase-sheet-docs li {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 8px 12px;
    background: var(--glass-3);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
  }

  /* ── Reduced Motion ── */
  @media (prefers-reduced-motion: reduce) {
    .m-ship {
      transition: none;
    }
    .phase-sheet,
    .phase-sheet-inner {
      transition: opacity 120ms ease;
    }
    .phase-sheet-inner {
      transform: none;
    }
  }
}

/* ══════════════════════════════════════════
   LIGHT MODE OVERRIDES
   ══════════════════════════════════════════ */
@media (max-width: 768px) {
  [data-theme="light"] .m-sticky {
    background: rgba(245, 247, 252, 0.92);
    border-bottom-color: var(--border-strong);
  }
  [data-theme="light"] .m-slot {
    background: rgba(0, 0, 0, 0.02);
    border-color: var(--border-strong);
  }
  [data-theme="light"] .m-slot.is-tappable:active {
    background: rgba(0, 0, 0, 0.04);
  }
  [data-theme="light"] .phase-sheet {
    background: rgba(30, 30, 60, 0.45);
  }
  [data-theme="light"] .phase-sheet-inner {
    background: rgba(245, 247, 252, 0.98);
    border-color: var(--border-strong);
  }
  [data-theme="light"] .m-jump-menu {
    background: rgba(245, 247, 252, 0.98);
    border-color: var(--border-strong);
  }
}