:root {
  --bg: #0f172a;
  --bg-elevated: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #263449;
  --bg-input: #0f172a;
  --border: #334155;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #f59e0b;
  --primary-hover: #d97706;
  --primary-text: #0f172a;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.16);
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-icon {
  border-radius: 6px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s, opacity 0.15s;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-text);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--bg-card-hover);
}

.btn-danger {
  background-color: var(--danger);
  color: #fff;
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--danger-hover);
}

.btn-outline-danger {
  background: transparent;
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.45);
}

.btn-outline-danger:hover:not(:disabled) {
  background-color: var(--danger);
  color: #fff;
}

/* Stats Banner */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 0.2rem;
}

.stat-value.money {
  color: var(--primary);
}

/* Section Headers */
.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-title {
  margin: 0;
  font-size: 1.45rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.back-link:hover {
  color: var(--text);
}

/* Series List on Home Screen (image-free title list) */
.series-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.series-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  transition: transform 0.12s, background-color 0.15s, border-color 0.15s;
}

.series-row:hover {
  background: var(--bg-card-hover);
  border-color: #475569;
  transform: translateY(-1px);
}

.series-row-main {
  flex: 1 1 260px;
  min-width: 0;
}

.series-row-progress {
  flex: 0 1 300px;
  min-width: 220px;
}

.series-card-title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.series-card-meta {
  font-size: 0.83rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.progress-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.85rem;
  margin-bottom: 0.35rem;
}

.progress-count {
  font-weight: 600;
}

.progress-spent {
  color: var(--primary);
  font-weight: 600;
}

.progress-bar {
  height: 8px;
  background: #0f172a;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--success));
  border-radius: 999px;
  transition: width 0.25s ease;
}

/* Search / Add Series Screen */
.search-bar {
  display: flex;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.input,
.select,
.textarea {
  width: 100%;
  background: var(--bg-input);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.85rem;
  font-size: 0.95rem;
  font-family: inherit;
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.input:disabled,
.select:disabled,
.textarea:disabled {
  opacity: 0.85;
  cursor: default;
  border-color: rgba(51, 65, 85, 0.6);
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
}

.search-result-title {
  font-weight: 700;
  font-size: 1.02rem;
}

.search-result-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Series View Header & Filter Tabs */
.series-hero {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.series-hero-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.series-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.filter-tabs {
  display: inline-flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.25rem;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.filter-tab {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 0.45rem 0.95rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
}

.filter-tab.active {
  background: var(--primary);
  color: var(--primary-text);
}

/* Issue List on Series Screen (image-free list with Owned/Missing tag) */
.issues-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.issue-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  transition: background-color 0.15s, border-color 0.15s;
}

.issue-row:hover {
  background: var(--bg-card-hover);
  border-color: #475569;
}

.issue-row.owned {
  border-color: rgba(16, 185, 129, 0.45);
}

.issue-row-link {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
}

.issue-row-num {
  font-weight: 700;
  color: var(--primary);
  min-width: 3.2rem;
}

.issue-row-title {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text);
}

.issue-row.missing .issue-row-title {
  color: #cbd5e1;
}

.issue-row-date {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.issue-row-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.issue-tag {
  display: inline-block;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.issue-tag.owned {
  background: var(--success-bg);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.issue-tag.missing {
  background: rgba(15, 23, 42, 0.7);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* Issue Detail Screen */
.issue-detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  align-items: start;
  margin-bottom: 2rem;
}

@media (max-width: 760px) {
  .issue-detail-layout {
    grid-template-columns: 1fr;
  }
}

.issue-detail-cover {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #0b1120;
}

.issue-detail-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.ownership-summary-box {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.ownership-summary-title {
  font-size: 0.95rem;
  color: var(--text);
}

.ownership-summary-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.ownership-quality-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.quality-chip {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-size: 0.82rem;
}

.quality-chip.regular {
  background: var(--success-bg);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.quality-chip.variant {
  background: rgba(245, 158, 11, 0.16);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.issue-description-box {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
  margin: 1rem 0;
  padding: 0.9rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.meta-item-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.meta-item-val {
  font-weight: 600;
  font-size: 0.92rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.tag {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Variants Strip */
.variants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
  margin-bottom: 2rem;
}

.variant-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.variant-card img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: #0b1120;
}

.variant-card-body {
  padding: 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  justify-content: space-between;
}

/* Copies Section */
.copies-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.copy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.copy-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.copy-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.copy-badge.regular {
  background: var(--success-bg);
  color: #34d399;
}

.copy-badge.variant {
  background: rgba(245, 158, 11, 0.16);
  color: #fbbf24;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 0.8rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

/* Empty & Loading States */
.empty-state,
.loading-state,
.error-banner {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
}

.error-banner {
  border-color: rgba(239, 68, 68, 0.5);
  color: #fca5a5;
  margin-bottom: 1rem;
}

/* Native Confirm Dialog */
.confirm-dialog {
  background: var(--bg-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.4rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  box-shadow: var(--shadow);
}

.confirm-dialog::backdrop {
  background: rgba(2, 6, 23, 0.75);
}

.confirm-title {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.confirm-message {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.confirm-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.65rem;
}

/* Toast notifications */
.toast-container {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: #0f172a;
  color: var(--text);
  border: 1px solid var(--primary);
  border-radius: 8px;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}