/* ─── KBRail App Studio · Design System ──────────────────────── */
:root {
  --bg:         #0D0D0D;
  --surface:    #1A1A1A;
  --surface2:   #252525;
  --surface3:   #2E2E2E;
  --magenta:    #E20074;
  --magenta-l:  #FF4FA3;
  --magenta-d:  #B5005D;
  --text:       #FFFFFF;
  --text-mute:  #888888;
  --text-dim:   #555555;
  --radius:     8px;
  --radius-lg:  14px;
  --shadow:     0 4px 24px rgba(226, 0, 116, 0.12);
  --shadow-lg:  0 8px 48px rgba(226, 0, 116, 0.2);
  --transition: 0.18s ease;
  /* KBRail Typografie */
  --font-main:  'TeleNeo', 'DIN 2014', 'DIN Next', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'TeleNeo ExtraBold', 'TeleNeo', 'DIN 2014', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  min-height: 100vh;
  line-height: 1.5;
}

/* ─── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--magenta); }

/* ─── Header ──────────────────────────────────────────────────── */
header {
  background: var(--surface);
  border-bottom: 1px solid rgba(226, 0, 116, 0.25);
  padding: 0 2rem;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.kbrail-header-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}

.kbrail-svg {
  height: 30px;
  width: auto;
  display: block;
}

.kbrail-subtitle {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--magenta);
  line-height: 1;
}

/* ─── Main Layout ─────────────────────────────────────────────── */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
}

/* ─── Generator Section ───────────────────────────────────────── */
.generator {
  background: var(--surface);
  border: 1px solid rgba(226, 0, 116, 0.15);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
}

.generator-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 0.5rem;
}

.prompt-label {
  display: block;
  font-size: 1.0rem;
  color: var(--text-mute);
  margin-bottom: 10px;
}

.input-row {
  display: flex;
  gap: 0;
  align-items: stretch;
  height: 115px;
}

.prompt-wrap {
  flex: 1;
  display: flex;
}

textarea#prompt {
  width: 100%;
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-right: none;
  border-radius: 0;
  color: var(--text);
  font-size: 1.2rem;
  font-family: inherit;
  padding: 14px 16px;
  resize: none;
  transition: border-color var(--transition);
  outline: none;
}

textarea#prompt:focus {
  border-color: var(--magenta);
  box-shadow: inset 0 0 0 2px rgba(226, 0, 116, 0.25);
}

textarea#prompt::placeholder { color: var(--text-dim); }

.btn-generate {
  background: var(--magenta);
  color: #fff;
  border: none;
  border-radius: 0;
  padding: 0 32px;
  min-width: 150px;
  font-size: 1.15rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.btn-generate:hover { background: var(--magenta-l); }
.btn-generate:active { transform: scale(0.98); }
.btn-generate:disabled { background: var(--surface3); cursor: not-allowed; color: var(--text-mute); }

.btn-generate .btn-icon { font-size: 1.6rem; }

/* ─── Library Header ──────────────────────────────────────────── */
.library-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 12px;
}

.library-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-count {
  background: var(--surface2);
  color: var(--text-mute);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
}

.sort-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sort-label {
  font-size: 0.75rem;
  color: var(--text-mute);
}

select#sort {
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.82rem;
  padding: 6px 12px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
}

select#sort:focus { border-color: var(--magenta); }

/* ─── App Grid ────────────────────────────────────────────────── */
#app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* ─── App Card ────────────────────────────────────────────────── */
.app-card {
  background: var(--surface);
  border: 1px solid var(--surface3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  position: relative;
}

.app-card:hover {
  border-color: var(--magenta);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-preview {
  background: var(--surface2);
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  border-bottom: 1px solid var(--surface3);
  position: relative;
  overflow: hidden;
}

.card-preview::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(226,0,116,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.card-body {
  padding: 14px 16px;
}

.card-name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}

.card-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 8px;
  margin-bottom: 12px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  color: var(--text-mute);
}

.meta-item .mi { font-size: 0.8rem; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1px solid var(--surface3);
}

.card-creator {
  font-size: 0.72rem;
  color: var(--text-mute);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-creator strong { color: var(--magenta-l); font-weight: 600; }

/* ─── Card Action Buttons (Edit / Delete) ────────────────────── */
.card-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 5px;
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 2;
}

.app-card:hover .card-actions { opacity: 1; }

.action-btn {
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid var(--surface3);
  border-radius: 6px;
  color: var(--text-mute);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.action-btn:hover { border-color: var(--magenta); color: var(--text); }
.action-btn.delete-btn:hover { border-color: #c0392b; color: #e74c3c; }
.action-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* Incomplete-Badge auf Karte */
.incomplete-badge {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(226,0,116,0.15);
  border: 1px solid rgba(226,0,116,0.4);
  color: var(--magenta-l);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
}

/* Quality-Status-Badge */
.quality-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 700;
}

.quality-badge.ok {
  background: rgba(39,174,96,0.12);
  border: 1px solid rgba(39,174,96,0.3);
  color: #2ecc71;
}

.quality-badge.warn {
  background: rgba(226,0,116,0.1);
  border: 1px solid rgba(226,0,116,0.3);
  color: var(--magenta-l);
}

.quality-badge.complex {
  background: rgba(243,156,18,0.12);
  border: 1px solid rgba(243,156,18,0.35);
  color: #f0a830;
}

/* Quality-Modal – Abschnitts-Label & Prompt-Vorschlag */
.quality-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--magenta-l);
  margin-bottom: 8px;
}

.quality-prompt-box {
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-left: 3px solid var(--magenta);
  border-radius: 6px;
  padding: 12px 14px;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text);
  white-space: pre-wrap;
}

/* ─── Pending Card (Sanduhr) ──────────────────────────────────── */
.app-card.pending {
  border-color: rgba(226, 0, 116, 0.3);
  cursor: default;
}

.app-card.pending:hover {
  transform: none;
  box-shadow: none;
}

.hourglass {
  font-size: 2rem;
  animation: hg-spin 2s ease-in-out infinite;
  display: inline-block;
}

@keyframes hg-spin {
  0%   { transform: rotate(0deg); opacity: 1; }
  45%  { transform: rotate(0deg); opacity: 1; }
  50%  { transform: rotate(180deg); opacity: 0.6; }
  95%  { transform: rotate(180deg); opacity: 1; }
  100% { transform: rotate(360deg); opacity: 1; }
}

.pending-label {
  font-size: 0.75rem;
  color: var(--magenta);
  font-weight: 600;
  margin-top: 6px;
}

.pending-timer {
  font-size: 0.68rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.pending-prompt-preview {
  font-size: 0.78rem;
  color: var(--text-mute);
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}

/* ─── Modals ──────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  animation: fade-in 0.18s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  background: var(--surface);
  border: 1px solid rgba(226, 0, 116, 0.25);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  animation: slide-up 0.2s ease;
}

@keyframes slide-up {
  from { transform: translateY(16px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.modal-header {
  padding: 20px 24px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
}

.modal-close {
  background: var(--surface2);
  border: none;
  color: var(--text-mute);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.modal-close:hover { background: var(--surface3); color: var(--text); }

.modal-body {
  padding: 16px 24px;
}

.modal-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-mute);
  margin-bottom: 6px;
}

.modal-hint {
  font-size: 0.78rem;
  color: var(--text-mute);
  margin-bottom: 14px;
  line-height: 1.4;
}

.modal-input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  padding: 10px 14px;
  outline: none;
  transition: border-color var(--transition);
}

.modal-input:focus {
  border-color: var(--magenta);
  box-shadow: 0 0 0 3px rgba(226, 0, 116, 0.15);
}

.modal-footer {
  padding: 0 24px 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn-primary {
  background: var(--magenta);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 9px 22px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition);
}

.btn-primary:hover { background: var(--magenta-l); }

.btn-secondary {
  background: var(--surface2);
  color: var(--text-mute);
  border: 1px solid var(--surface3);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover { border-color: var(--magenta); color: var(--text); }

/* ─── App Viewer Modal ────────────────────────────────────────── */
.viewer-modal {
  background: var(--surface);
  border: 1px solid rgba(226, 0, 116, 0.25);
  border-radius: var(--radius-lg);
  width: min(1100px, 95vw);
  height: min(820px, 92vh);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: slide-up 0.2s ease;
  overflow: hidden;
}

.viewer-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--surface3);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.viewer-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--magenta);
  flex-shrink: 0;
}

.viewer-title {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-iframe {
  flex: 1;
  border: none;
  background: #fff;
}

.viewer-modal.maximized {
  width: 100vw !important;
  max-width: 100vw !important;
  height: 100vh !important;
  border-radius: 0 !important;
  border: none !important;
}

.btn-maximize {
  background: transparent;
  border: none;
  color: var(--text-mute);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 4px;
  line-height: 1;
  transition: color var(--transition);
  flex-shrink: 0;
}
.btn-maximize:hover { color: var(--text); }
.btn-maximize.active { color: var(--magenta-l); }

.viewer-modal { position: relative; }
.viewer-info-panel {
  position: absolute;
  top: 62px;
  left: 14px;
  right: 14px;
  max-height: 65%;
  overflow-y: auto;
  background: var(--surface2);
  border: 1px solid rgba(226, 0, 116, 0.35);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-lg);
  z-index: 5;
}
.viewer-info-panel[hidden] { display: none; }

/* ─── Empty State ─────────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-mute);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state p { font-size: 0.9rem; line-height: 1.6; }
.empty-state p strong { color: var(--magenta); }

/* ─── Toast ───────────────────────────────────────────────────── */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2);
  border: 1px solid var(--surface3);
  border-radius: 24px;
  padding: 10px 20px;
  font-size: 0.85rem;
  color: var(--text);
  z-index: 300;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  white-space: nowrap;
  pointer-events: none;
}

#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 640px) {
  main { padding: 1rem; }
  .input-row { flex-direction: column; height: auto; }
  textarea#prompt { border-right: 1px solid var(--surface3); border-bottom: none; min-height: 80px; }
  .btn-generate { width: 100%; height: 52px; flex-direction: row; }
  header { padding: 0 1rem; height: 64px; }
  .kbrail-svg { height: 24px; }
}