app/globals.css

:root {
  --bg-color: #0f172a;
  --text-color: #f1f5f9;
  --pane-bg: #1e293b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --border-color: #334155;
  --success: #10b981;
  --error: #ef4444;
  --surface: #334155;
  --nav-height: 56px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

h2,
h3,
h4 {
  margin-top: 0;
  color: #f8fafc;
}

/* ── Layout ─────────────────────────────────────── */

/* ── App Wrapper & Top Bar ────────────────────── */

.app-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px;
  background-color: var(--pane-bg);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  height: 40px;
}

.top-bar-title {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.top-bar-user {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--success);
  background: rgba(16, 185, 129, 0.1);
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.btn-login {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-color);
  background: var(--accent);
  padding: 4px 12px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-login:hover {
  background: var(--accent-hover);
}

/* ── Login Gate ───────────────────────────────── */

.login-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
  background: var(--bg-color);
}

.login-card {
  text-align: center;
  background: var(--pane-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 420px;
}

.login-card h1 {
  font-size: 1.5rem;
  margin: 0 0 12px;
  color: var(--text-color);
}

.login-card p {
  color: #94a3b8;
  font-size: 0.9rem;
  margin: 0 0 24px;
}

.btn-login-large {
  display: inline-block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-login-large:hover {
  background: var(--accent-hover);
}

.login-note {
  font-size: 0.75rem !important;
  color: #64748b !important;
  margin-top: 16px !important;
}

.container {
  display: flex;
  width: 100%;
  flex: 1;
  flex-wrap: wrap;
  overflow: hidden;
}

/* ── Progress Bar ────────────────────────────── */

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.progress-container {
  display: flex;
  align-items: center;
  gap: 6px;
}

.progress-container::before {
  content: 'Progress:';
  font-size: 0.72rem;
  font-weight: 600;
  color: #64748b;
  margin-right: 2px;
}

.progress-pills {
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
}

.pill-icon {
  font-size: 0.7rem;
}

.pill-label {
  color: #64748b;
  font-weight: 500;
}

.pill-value {
  color: var(--text-color);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.pill-value.pill-complete {
  color: var(--success);
}

.pill-divider {
  width: 1px;
  height: 14px;
  background: var(--border-color);
}

/* ── Leaderboard ─────────────────────────────── */

.btn-leaderboard {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-leaderboard:hover {
  background: var(--surface);
  border-color: var(--accent);
}

.leaderboard-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1001;
  background: var(--pane-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 480px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.leaderboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.leaderboard-header h3 {
  margin: 0;
  font-size: 1rem;
}

.leaderboard-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-refresh {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.btn-refresh:hover:not(:disabled) {
  background: var(--surface);
  border-color: var(--accent);
}

.btn-refresh:disabled {
  opacity: 0.5;
  cursor: wait;
}

.leaderboard-body {
  padding: 12px 20px;
  overflow-y: auto;
  flex: 1;
}

.leaderboard-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 30px;
  color: #94a3b8;
}

.leaderboard-empty {
  text-align: center;
  color: #94a3b8;
  padding: 30px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.leaderboard-table th {
  text-align: left;
  padding: 6px 8px;
  color: #64748b;
  font-weight: 600;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--border-color);
}

.leaderboard-table td {
  padding: 8px 8px;
  border-bottom: 1px solid var(--border-color);
}

.leaderboard-table tr:last-child td {
  border-bottom: none;
}

.rank-cell {
  font-size: 1rem;
  text-align: center;
  width: 32px;
}

.annotator-cell {
  font-weight: 600;
}

.score-cell {
  font-weight: 700;
  color: var(--accent);
}

.stat-verified {
  font-weight: 600;
}

.stat-detail {
  font-size: 0.65rem;
  color: #64748b;
}

.rank-1 {
  background: rgba(255, 215, 0, 0.06);
}

.rank-2 {
  background: rgba(192, 192, 192, 0.06);
}

.rank-3 {
  background: rgba(205, 127, 50, 0.06);
}

.leaderboard-footer {
  padding: 8px 20px;
  border-top: 1px solid var(--border-color);
  font-size: 0.65rem;
  color: #64748b;
  text-align: center;
}

.pane {
  flex: 1;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  /* Both panes are non-scrollable — content must fit */
  height: calc(100vh - var(--nav-height));
  overflow: hidden;
}

.left-pane {
  border-right: 1px solid var(--border-color);
  background-color: #020617;
}

.right-pane {
  background-color: var(--pane-bg);
  overflow-y: auto;
}

.pane-header {
  flex-shrink: 0;
  margin-bottom: 12px;
}

.pane-header h2 {
  margin-bottom: 8px;
}

/* ── Document Selector ──────────────────────────── */

.navigation-controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.select-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.select-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.select-group select {
  background-color: var(--surface);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s;
  max-width: 280px;
}

.select-group select:hover,
.select-group select:focus {
  border-color: var(--accent);
  outline: none;
}

/* ── PDF Viewer ─────────────────────────────────── */

.pdf-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 0;
}

.pdf-frame {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: none;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.pdf-loading,
.pdf-error {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--surface);
  border-radius: 12px;
  color: #94a3b8;
  gap: 8px;
}

.pdf-loading p,
.pdf-error p {
  margin: 0;
}

.pdf-loading-hint,
.pdf-error-hint {
  font-size: 0.75rem;
  color: #64748b;
}

.pdf-placeholder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--surface);
  border-radius: 12px;
  color: #94a3b8;
}

/* ── Bottom Navigation ──────────────────────────── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: #020617;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.page-navigator {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-nav-group {
  display: flex;
  gap: 4px;
}

.page-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  min-width: 100px;
  text-align: center;
}

.page-indicator strong {
  font-size: 1.1rem;
  color: #f8fafc;
}

.mention-dot {
  color: #10b981;
  font-size: 0.6rem;
  margin-left: 4px;
  vertical-align: middle;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.page-count {
  font-size: 0.75rem;
  color: #64748b;
}

.btn-nav {
  background-color: var(--surface);
  color: var(--text-color);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.btn-nav.btn-jump {
  padding: 10px 12px;
  font-size: 0.8rem;
}

.btn-nav:hover:not(:disabled) {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

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

/* ── Annotator Header ───────────────────────────── */

.annotator-container {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.annotator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
  margin-bottom: 12px;
}

.annotator-header h2 {
  margin: 0;
}

.annotator-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ── Markdown Content ───────────────────────────── */

.markdown-content {
  background-color: #2dd4bf10;
  padding: 20px;
  border-radius: 12px;
  line-height: 1.6;
  border: 1px solid #2dd4bf30;
  font-size: 0.95rem;
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.markdown-content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.markdown-content-header h3 {
  margin: 0;
  font-size: 0.9rem;
}

.dataset-count {
  background-color: #2dd4bf20;
  color: #2dd4bf;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ── Dataset Legend ─────────────────────────────── */

.dataset-legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
  margin-bottom: 8px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: #94a3b8;
  padding: 4px 10px;
  border-radius: 6px;
  background-color: #1e293b;
  border: 1px solid;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Highlight marks ────────────────────────────── */

.markdown-preview mark {
  transition: all 0.15s ease;
}

.markdown-preview mark:hover {
  filter: brightness(1.3);
  transform: scale(1.02);
  display: inline-block;
}

.markdown-preview {
  color: #cbd5e1;
}

.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3,
.markdown-preview h4 {
  color: #e2e8f0;
  margin-top: 1.2em;
  margin-bottom: 0.4em;
}

.markdown-preview p {
  margin-bottom: 0.8em;
}

.markdown-preview ul,
.markdown-preview ol {
  margin-bottom: 0.8em;
  padding-left: 20px;
}

.markdown-preview li {
  margin-bottom: 0.2em;
}

.markdown-preview strong,
.markdown-preview b {
  color: #e2e8f0;
  font-weight: 600;
}

.markdown-preview pre {
  background-color: #0f172a;
  padding: 12px;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
}

.markdown-preview code {
  font-family: monospace;
  background-color: #1e293b;
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 0.9em;
  color: #cbd5e1;
}

.markdown-preview table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
}

.markdown-preview th,
.markdown-preview td {
  border: 1px solid var(--border-color);
  padding: 8px;
  text-align: left;
}

.markdown-preview th {
  background-color: #334155;
  color: #e2e8f0;
}

.markdown-content hr {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 16px 0;
}

.text-muted {
  color: #94a3b8;
}

/* ── Buttons ────────────────────────────────────── */

.btn {
  border: none;
  padding: 10px 18px;
  font-size: 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-secondary:hover {
  background-color: #475569;
}

/* ── Annotations Side Panel ─────────────────────── */

.panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 200;
}

.annotation-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: var(--nav-height);
  width: 380px;
  background-color: var(--pane-bg);
  border-left: 1px solid var(--border-color);
  z-index: 300;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 30px rgb(0 0 0 / 0.3);
}

.annotation-panel.open {
  transform: translateX(0);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.panel-header h3 {
  margin: 0;
  flex: 1;
}

.panel-count {
  background-color: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 24px;
  text-align: center;
}

.panel-close {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 22px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s;
}

.panel-close:hover {
  background-color: var(--surface);
  color: var(--text-color);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.panel-empty {
  text-align: center;
  padding: 40px 20px;
  color: #64748b;
}

.panel-empty p:first-child {
  font-size: 1rem;
}

/* ── Panel Cards ────────────────────────────────── */

.panel-annotation-card {
  background-color: #0f172a;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}

.panel-annotation-card:hover {
  border-color: var(--accent);
}

.panel-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.panel-card-author {
  font-size: 0.75rem;
  color: #64748b;
  font-style: italic;
}

.panel-card-text {
  margin: 0 0 6px;
  font-size: 0.9rem;
  color: #e2e8f0;
  line-height: 1.4;
}

.panel-card-position {
  display: inline-block;
  font-size: 0.7rem;
  color: #475569;
  font-family: monospace;
  margin-bottom: 8px;
}

.panel-card-actions {
  display: flex;
  gap: 8px;
}

.btn-panel {
  background: none;
  border: 1px solid var(--border-color);
  color: #94a3b8;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-panel:hover {
  border-color: #94a3b8;
  color: var(--text-color);
}

.btn-panel.save {
  border-color: #10b981;
  color: #10b981;
}

.btn-panel.save:hover {
  background-color: #10b98120;
}

.btn-panel.delete.confirming {
  border-color: var(--error);
  color: var(--error);
  animation: pulse 0.6s ease infinite alternate;
}

@keyframes pulse {
  from {
    opacity: 0.7;
  }

  to {
    opacity: 1;
  }
}

.panel-card-time {
  font-size: 0.7rem;
  color: #475569;
  margin-top: 6px;
}

.form-select-small {
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--accent);
  border-radius: 5px;
  padding: 3px 8px;
  font-size: 0.75rem;
  cursor: pointer;
}

.annotation-tag-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 4px;
}

.annotation-tag-badge.clickable {
  cursor: pointer;
  transition: opacity 0.15s;
}

.annotation-tag-badge.clickable:hover {
  opacity: 0.8;
}

.panel-card-source {
  font-size: 0.7rem;
  color: #64748b;
}

.inline-edit {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Judge info row */
.panel-card-judge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  margin-top: 2px;
}

.judge-verdict {
  font-weight: 600;
}

.judge-verdict.correct {
  color: #10b981;
}

.judge-verdict.wrong {
  color: #ef4444;
}

.judge-tag {
  color: #64748b;
  font-style: italic;
}

/* Validated card accents */
.panel-annotation-card.validated-correct {
  border-left: 3px solid #10b981;
}

.panel-annotation-card.validated-wrong {
  border-left: 3px solid #ef4444;
}

/* Validation status */
.validation-status {
  font-size: 0.75rem;
  margin-top: 6px;
  padding: 6px 8px;
  border-radius: 6px;
}

.validation-status.correct {
  background-color: #10b98115;
  color: #10b981;
}

.validation-status.wrong {
  background-color: #ef444415;
  color: #ef4444;
}

.validation-by {
  color: #64748b;
  font-style: italic;
}

.validation-notes {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-style: italic;
}

/* Validation form */
.validation-form {
  margin-top: 8px;
}

.validation-notes-input {
  width: 100%;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 0.75rem;
  resize: vertical;
  margin-bottom: 6px;
  font-family: inherit;
}

.validation-notes-input:focus {
  outline: none;
  border-color: var(--accent);
}

.validation-buttons {
  display: flex;
  gap: 4px;
}

.btn-panel.correct {
  border-color: #10b981;
  color: #10b981;
}

.btn-panel.correct:hover {
  background-color: #10b98120;
}

.btn-panel.wrong {
  border-color: #ef4444;
  color: #ef4444;
}

.btn-panel.wrong:hover {
  background-color: #ef444420;
}

.btn-panel.validate {
  border-color: #6366f1;
  color: #6366f1;
}

.btn-panel.validate:hover {
  background-color: #6366f120;
}

/* ── Floating Panel Chevron ────────────────────── */

.panel-chevron {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 150;
  background-color: var(--surface);
  border: 1px solid var(--border-color);
  border-right: none;
  color: var(--text-color);
  font-size: 1.4rem;
  font-weight: 700;
  padding: 12px 6px;
  border-radius: 8px 0 0 8px;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1;
}

.panel-chevron:hover {
  background-color: var(--accent);
  border-color: var(--accent);
}

.chevron-badge {
  position: absolute;
  top: -6px;
  left: -6px;
  background-color: var(--accent);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}



/* ── Modal ──────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.15s ease;
}

.modal-content {
  background-color: var(--pane-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  width: 90%;
  max-width: 520px;
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.5);
  animation: slideUp 0.2s ease;
}

.help-modal-content {
  max-width: 700px;
}

.help-modal-body {
  max-height: 65vh;
  overflow-y: auto;
  font-size: 0.9rem;
  line-height: 1.6;
}

.help-modal-body h2 {
  color: #e2e8f0;
  font-size: 1.1rem;
  margin-top: 1.2em;
}

.help-modal-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.8em 0;
  font-size: 0.85rem;
}

.help-modal-body th,
.help-modal-body td {
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  text-align: left;
}

.help-modal-body th {
  background-color: #334155;
  color: #e2e8f0;
}

.help-modal-body hr {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 16px 0;
}

.help-modal-body ol,
.help-modal-body ul {
  padding-left: 20px;
}

.help-modal-body strong {
  color: #e2e8f0;
}

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

.modal-header h3 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 24px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.15s;
}

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

.modal-body {
  padding: 20px 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 0 24px 20px;
}

/* ── Form Elements ──────────────────────────────── */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.selected-text-preview {
  background-color: #2dd4bf15;
  border: 1px solid #2dd4bf30;
  padding: 12px;
  border-radius: 8px;
  font-style: italic;
  color: #2dd4bf;
  max-height: 100px;
  overflow-y: auto;
  font-size: 0.95rem;
}

.form-select {
  width: 100%;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s;
}

.form-select:focus {
  border-color: var(--accent);
  outline: none;
}

.form-help {
  margin-top: 6px;
  margin-bottom: 0;
  font-size: 0.8rem;
  color: #64748b;
  font-style: italic;
}

.form-input,
.form-textarea {
  width: 100%;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

/* ── Toast Notifications ────────────────────────── */

.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + 16px);
  right: 24px;
  padding: 14px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 2000;
  animation: slideInRight 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.3);
}

.toast-success {
  background-color: var(--success);
  color: #fff;
}

.toast-error {
  background-color: var(--error);
  color: #fff;
}

/* ── Loading ────────────────────────────────────── */

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100%;
  gap: 16px;
  color: #94a3b8;
}

.loading-spinner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 12px;
  color: #94a3b8;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Animations ─────────────────────────────────── */

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }

  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

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

@keyframes shake {

  0%,
  100% {
    transform: translateX(0);
  }

  25% {
    transform: translateX(-5px);
  }

  50% {
    transform: translateX(5px);
  }

  75% {
    transform: translateX(-5px);
  }
}

.shake {
  animation: shake 0.4s ease;
}