/* ============================================================
   Infinite Anthologies eBook Builder — Styles
   Deep space / vintage pulp sci-fi aesthetic
   ============================================================ */

/* Self-contained — no external font dependencies */

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

:root {
  --space:       #08090f;
  --deep:        #0d0e1a;
  --panel:       #131425;
  --panel-light: #1c1d32;
  --border:      #2a2c4a;
  --accent:      #f5a623;
  --accent2:     #e05c2a;
  --text:        #e8dcc8;
  --text-muted:  #8a8099;
  --text-dim:    #5a5470;
  --auto-bg:     #1a2a1a;
  --auto-border: #2e4e2e;
  --auto-color:  #6bcf7f;
  --danger:      #cf4545;
  --success:     #6bcf7f;
  --radius:      6px;
  /* System font stacks — no CDN required */
  --font-heading: 'Courier New', Courier, 'Lucida Console', monospace;
  --font-body:    Georgia, 'Times New Roman', Times, serif;
  --font-story:   'Courier New', Courier, monospace;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background-color: var(--space);
  background-image:
    radial-gradient(ellipse at 20% 20%, rgba(30,15,60,0.6) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(10,20,50,0.5) 0%, transparent 60%);
  color: var(--text);
  font-family: var(--font-body);
  min-height: 100vh;
  line-height: 1.6;
}

/* ── Stars background ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 42%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 42% 8%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 60% 30%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 75% 55%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 20%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 93% 70%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 5% 80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 50% 90%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 35% 65%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 15% 50%, rgba(245,166,35,0.3) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 70% 10%, rgba(245,166,35,0.2) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* ── Layout ── */
.ia-app {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* ── Header ── */
.ia-header {
  text-align: center;
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.ia-header-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: 0 0 20px rgba(245,166,35,0.4);
}

.ia-header-subtitle {
  font-family: var(--font-story);
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.3rem;
  letter-spacing: 0.05em;
}

/* ── Step Indicator ── */
.ia-step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 2.5rem;
}

.ia-step-indicator span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  border: 2px solid var(--border);
  color: var(--text-dim);
  background: var(--deep);
  transition: all 0.3s;
  position: relative;
}

.ia-step-indicator span.ia-current {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245,166,35,0.1);
  box-shadow: 0 0 12px rgba(245,166,35,0.3);
}

.ia-step-indicator span.ia-done {
  border-color: var(--success);
  color: var(--success);
  background: rgba(107,207,127,0.1);
}

.ia-step-indicator .ia-step-line {
  flex: 1;
  max-width: 60px;
  height: 2px;
  background: var(--border);
}

.ia-step-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: var(--text-muted);
  position: absolute;
  bottom: -1.3rem;
  white-space: nowrap;
  font-style: italic;
}

/* ── Step Panels ── */
.ia-step-panel { display: none; }
.ia-step-panel.ia-active { display: block; }

/* ── Section headings ── */
.ia-section-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.ia-section-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

/* ── Panels/Cards ── */
.ia-panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ── URL Input Row ── */
.ia-url-row {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.ia-input {
  flex: 1;
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.ia-input:focus { border-color: var(--accent); }
.ia-input::placeholder { color: var(--text-dim); }

/* ── Buttons ── */
.ia-btn {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0.65rem 1.2rem;
  transition: all 0.2s;
  white-space: nowrap;
}

.ia-btn-primary {
  background: var(--accent);
  color: var(--space);
}
.ia-btn-primary:hover:not(:disabled) { background: #fbb834; box-shadow: 0 0 12px rgba(245,166,35,0.4); }

.ia-btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.ia-btn-secondary:hover:not(:disabled) { border-color: var(--text-muted); color: var(--text); }

.ia-btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(207,69,69,0.4);
}
.ia-btn-danger:hover:not(:disabled) { background: rgba(207,69,69,0.1); }

.ia-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ── Story List ── */
.ia-story-count-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

#ia-story-count {
  font-family: var(--font-story);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.ia-story-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ia-story-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  gap: 1rem;
}

.ia-story-meta {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
  flex: 1;
}

.ia-story-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: rgba(245,166,35,0.15);
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.ia-story-title { font-weight: 600; font-size: 0.95rem; }
.ia-story-url { font-size: 0.75rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 400px; }

.ia-btn-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  flex-shrink: 0;
  transition: color 0.2s;
}
.ia-btn-remove:hover { color: var(--danger); }

.ia-empty-hint {
  text-align: center;
  color: var(--text-dim);
  font-style: italic;
  padding: 1.5rem;
  font-size: 0.9rem;
}

/* ── Step 2: Fields ── */
.ia-story-section { margin-bottom: 2.5rem; }

.ia-story-section-title {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.ia-reorder-btns {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
  flex-shrink: 0;
}

.ia-btn-reorder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1;
  padding: 0;
}

.ia-btn-reorder:hover:not(:disabled) {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(245,166,35,0.08);
}

.ia-btn-reorder:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.ia-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.4rem;
}

.ia-field-cell {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-size: 0.82rem;
  line-height: 1.3;
  background: var(--deep);
  position: relative;
}

.ia-field-cell:hover:not(.ia-auto):not(.ia-no-data) {
  background: var(--panel-light);
  border-color: var(--accent);
}

.ia-field-cell.ia-auto {
  background: var(--auto-bg);
  border-color: var(--auto-border);
  cursor: default;
}

.ia-field-cell.ia-no-data {
  opacity: 0.45;
  cursor: not-allowed;
}

.ia-field-cell input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 1px;
}

.ia-field-label { color: var(--text); }
.ia-field-cell.ia-auto .ia-field-label { color: var(--auto-color); }

.ia-auto-badge, .ia-nodata-badge {
  font-size: 0.6rem;
  font-family: var(--font-story);
  padding: 0 0.3rem;
  border-radius: 2px;
  flex-shrink: 0;
  margin-left: auto;
}
.ia-auto-badge { background: rgba(107,207,127,0.15); color: var(--auto-color); }
.ia-nodata-badge { background: rgba(90,84,112,0.3); color: var(--text-dim); }

.ia-selection-summary {
  font-family: var(--font-story);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  text-align: right;
}

/* ── Step 3: Cover ── */
.ia-cover-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 600px) { .ia-cover-layout { grid-template-columns: 1fr; } }

.ia-form-group { margin-bottom: 1.2rem; }

.ia-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.ia-anthology-display {
  font-family: var(--font-story);
  font-size: 1.1rem;
  color: var(--accent);
  padding: 0.5rem 0;
  letter-spacing: 0.04em;
}

.ia-theme-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.ia-theme-btn {
  font-family: var(--font-story);
  font-size: 0.82rem;
  padding: 0.55rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--deep);
  color: var(--text);
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
}
.ia-theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.ia-theme-btn.ia-selected { background: rgba(245,166,35,0.15); border-color: var(--accent); color: var(--accent); font-weight: 600; }

.ia-cover-preview-area {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--deep);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.ia-cover-placeholder {
  text-align: center;
  color: var(--text-dim);
  padding: 2rem;
}
.ia-cover-placeholder span { font-size: 3rem; display: block; margin-bottom: 0.5rem; opacity: 0.4; }
.ia-cover-placeholder p { font-style: italic; font-size: 0.85rem; }

#ia-cover-preview img { width: 100%; height: auto; display: block; border-radius: var(--radius); }

.ia-cover-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.8rem;
  justify-content: center;
}

/* ── Navigation Row ── */
.ia-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  gap: 1rem;
}

.ia-nav-row-right { margin-left: auto; }

/* ── Spinners & Errors ── */
.ia-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ia-spin 0.7s linear infinite;
  vertical-align: middle;
  margin-left: 0.4rem;
}

@keyframes ia-spin { to { transform: rotate(360deg); } }

.ia-error {
  color: var(--danger);
  font-size: 0.82rem;
  margin-top: 0.4rem;
  min-height: 1.2em;
  font-style: italic;
}

/* ── Success Panel ── */
.ia-success-panel {
  text-align: center;
  padding: 4rem 2rem;
}
.ia-success-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 1rem;
  text-shadow: 0 0 20px rgba(245,166,35,0.5);
}
.ia-success-panel h2 {
  font-family: var(--font-heading);
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 1rem;
  letter-spacing: 0.1em;
}
.ia-success-desc { font-size: 1.05rem; margin-bottom: 0.6rem; }
.ia-success-sub { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 2rem; font-style: italic; }
.ia-success-actions { display: flex; justify-content: center; gap: 1rem; }

.ia-zenodo-note {
  max-width: 640px;
  margin: 2.5rem auto 0;
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
  text-align: left;
}
.ia-zenodo-note h3 {
  font-family: var(--font-heading);
  color: var(--accent);
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  margin: 0 0 0.9rem;
}
.ia-zenodo-note p {
  font-family: var(--font-story);
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0 0 0.7rem;
}
.ia-zenodo-link { margin-top: 1rem !important; font-weight: 600; color: var(--text) !important; }
.ia-zenodo-link a { color: var(--accent); text-decoration: underline; }
.ia-zenodo-link a:hover { opacity: 0.8; }

/* ── Misc ── */
.ia-info-row {
  font-family: var(--font-story);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.ia-cover-generate-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* ── Step 4: Export Summary ── */
.ia-export-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

@media (max-width: 600px) { .ia-export-summary { grid-template-columns: 1fr; } }

.ia-export-preview-thumb {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
  text-align: center;
}

.ia-export-preview-thumb img {
  width: 100%;
  height: auto;
  display: block;
  max-height: 280px;
  object-fit: cover;
}

.ia-export-meta { display: flex; flex-direction: column; gap: 0.7rem; }

.ia-export-row {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.ia-export-row-label {
  font-size: 0.68rem;
  font-family: var(--font-heading);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.ia-export-row-value {
  font-size: 0.95rem;
  color: var(--text);
}

.ia-export-story-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.2rem;
}

.ia-export-story-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ia-export-story-list li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ── API Key input (Step 3) ── */
.ia-apikey-group { border-top: 1px solid var(--border); padding-top: 1rem; margin-top: 0.5rem; }
.ia-label-optional { font-weight: 400; font-size: 0.78rem; color: var(--text-muted); text-transform: none; letter-spacing: 0; }
.ia-ext-link { color: var(--accent); text-decoration: none; }
.ia-ext-link:hover { text-decoration: underline; }

/* ── Step 1: Preset Checkbox Grid ── */
.ia-preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.35rem;
  max-height: 340px;
  overflow-y: auto;
  padding-right: 0.25rem;
  margin-bottom: 1.2rem;
}

.ia-preset-grid::-webkit-scrollbar { width: 5px; }
.ia-preset-grid::-webkit-scrollbar-track { background: var(--deep); border-radius: 3px; }
.ia-preset-grid::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.ia-preset-grid::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

.ia-preset-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--deep);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  font-size: 0.82rem;
  line-height: 1.3;
  min-width: 0;
}

.ia-preset-row:hover:not(.ia-preset-disabled):not(.ia-preset-loading) {
  background: var(--panel-light);
  border-color: var(--accent);
}

.ia-preset-row.ia-preset-checked {
  background: rgba(245,166,35,0.07);
  border-color: rgba(245,166,35,0.4);
}

.ia-preset-row.ia-preset-disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ia-preset-row.ia-preset-loading {
  border-color: var(--text-dim);
  cursor: wait;
}

.ia-preset-row input[type="checkbox"] {
  accent-color: var(--accent);
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.ia-preset-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.ia-preset-row.ia-preset-checked .ia-preset-title {
  color: var(--accent);
}

.ia-preset-spinner {
  flex-shrink: 0;
}

.ia-preset-row.ia-preset-loading .ia-preset-spinner {
  display: inline-block;
}

.ia-preset-err {
  flex-shrink: 0;
  font-size: 0.7rem;
  color: var(--danger);
  font-style: italic;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ia-preset-url-divider {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
  color: var(--text-dim);
  font-size: 0.75rem;
  font-family: var(--font-story);
  font-style: italic;
}

.ia-preset-url-divider::before,
.ia-preset-url-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Field quality warning badge ── */
.ia-field-warn {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.7rem;
  font-family: var(--font-story);
  color: #e09c2a;
  background: rgba(224, 156, 42, 0.12);
  border: 1px solid rgba(224, 156, 42, 0.3);
  border-radius: 3px;
  padding: 0.05em 0.4em;
  vertical-align: middle;
  cursor: help;
}