/* ─── Theme variables ─────────────────────────────────── */
:root {
  --bg-page: #f5f7fb;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f9fbff;
  --text-primary: #1f2937;
  --text-body: #374151;
  --text-muted: #4b5563;
  --text-subtle: #6b7280;
  --text-faint: #9ca3af;
  --border: #dbe3f0;
  --border-input: #d1d5db;
  --border-muted: #e5e7eb;
  --nav-bg: #111827;
  --nav-border: #374151;
  --nav-link: #e5e7eb;
  --nav-link-hover: #1f2937;
  --accent: #2563eb;
  --accent-text: #1d4ed8;
  --btn-secondary-bg: #e5eefc;
  --btn-secondary-text: #1d4ed8;
  --btn-danger-bg: #fee2e2;
  --btn-danger-text: #b91c1c;
  --success-text: #15803d;
  --success-bg: #dcfce7;
  --error-text: #b91c1c;
  --info-bg: #dbeafe;
  --info-text: #1d4ed8;
  --badge-bg: #eff6ff;
  --muted-bg: #f3f4f6;
  --warning-accent: #f59e0b;
  --warning-bg: #fef3c7;
  --warning-text: #78350f;
  --warning-border: #fcd34d;
  --easy-bg: #fff7ed;
  --easy-text: #c2410c;
  --progress-track: #e5e7eb;
  --viewer-banner-bg: linear-gradient(135deg, #f8fbff 0%, #eef4ff 100%);
  --honor-note-bg: linear-gradient(90deg, #fffbeb 0%, #ffffff 22%);
  --tutorial-overlay: rgba(17, 24, 39, 0.45);
}

[data-theme="dark"] {
  --bg-page: #0f172a;
  --bg-surface: #1e293b;
  --bg-surface-alt: #243044;
  --text-primary: #f1f5f9;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  --text-faint: #475569;
  --border: #334155;
  --border-input: #475569;
  --border-muted: #334155;
  --nav-bg: #080e1a;
  --nav-border: #1e293b;
  --nav-link: #cbd5e1;
  --nav-link-hover: #1e293b;
  --accent: #3b82f6;
  --accent-text: #60a5fa;
  --btn-secondary-bg: #1e3a5f;
  --btn-secondary-text: #93c5fd;
  --btn-danger-bg: #450a0a;
  --btn-danger-text: #fca5a5;
  --success-text: #4ade80;
  --success-bg: #14532d;
  --error-text: #f87171;
  --info-bg: #1e3a5f;
  --info-text: #93c5fd;
  --badge-bg: #1e3a5f;
  --muted-bg: #1e293b;
  --warning-accent: #d97706;
  --warning-bg: #451a03;
  --warning-text: #fde68a;
  --warning-border: #92400e;
  --easy-bg: #431407;
  --easy-text: #fb923c;
  --progress-track: #334155;
  --viewer-banner-bg: linear-gradient(135deg, #1e293b 0%, #1e3358 100%);
  --honor-note-bg: linear-gradient(90deg, #451a03 0%, #1e293b 22%);
  --tutorial-overlay: rgba(0, 0, 0, 0.7);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
}

.top-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 16px;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
}

.top-nav__brand {
  color: #ffffff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 8px 4px;
}

.top-nav__brand:hover {
  background: transparent;
}

.top-nav a {
  color: var(--nav-link);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
}

.top-nav a:hover {
  background: var(--nav-link-hover);
}

.top-nav a.active {
  background: var(--accent);
  color: #ffffff;
}

.dark-mode-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--nav-border);
  color: var(--nav-link);
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  font-weight: normal;
}

.dark-mode-btn:hover {
  background: var(--nav-link-hover);
}

.app {
  max-width: 1100px;
  margin: 20px auto;
  padding: 0 16px 24px;
}

.panel {
  background: var(--bg-surface);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 14px;
}

.dashboard-grid .panel {
  margin-bottom: 0;
}

.page-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-description {
  margin: 0;
  max-width: 760px;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.5;
}

.page-callout {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-surface-alt);
}

.page-callout strong {
  display: block;
  font-size: 14px;
}

h1,
h2,
h3,
h4 {
  margin-top: 0;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.top-gap {
  margin-top: 10px;
}

.top-gap-half {
  margin-top: 6px;
}

input,
select,
button {
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
}

input,
select {
  border: 1px solid var(--border-input);
  min-width: 180px;
  background: var(--bg-surface);
  color: var(--text-primary);
}

textarea {
  border: 1px solid var(--border-input);
  border-radius: 8px;
  font-size: 14px;
  padding: 8px 10px;
  background: var(--bg-surface);
  color: var(--text-primary);
  width: 100%;
  resize: vertical;
}

input[type="checkbox"] {
  min-width: auto;
  width: 16px;
  height: 16px;
  padding: 0;
  border-radius: 4px;
}

.inline-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-body);
}

button {
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
}

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

button.danger {
  background: var(--btn-danger-bg);
  color: var(--btn-danger-text);
}

button:disabled {
  opacity: 0.6;
  cursor: default;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: var(--bg-surface-alt);
}

.card .label {
  color: var(--text-muted);
  font-size: 12px;
}

.card .value {
  display: block;
  margin-top: 3px;
  font-size: 20px;
  font-weight: 700;
}

.status {
  margin: 8px 0 0;
  font-size: 14px;
}

.status.info {
  color: var(--text-body);
}

.status.success {
  color: var(--success-text);
}

.status.error {
  color: var(--error-text);
}

.meta {
  color: var(--text-muted);
  font-size: 13px;
  margin: 8px 0 0;
}

.inline-link {
  color: var(--accent-text);
  font-weight: 600;
}

.inline-link:hover {
  text-decoration: underline;
}

.privacy-notice {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--bg-surface-alt);
}

.privacy-notice h2 {
  margin: 0;
  font-size: 16px;
}

.privacy-notice .meta {
  margin-top: 8px;
}

.loading-placeholder {
  color: var(--text-faint);
  font-size: 13px;
  margin: 8px 0 0;
  animation: loading-pulse 1.2s ease-in-out infinite;
}

@keyframes loading-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.eyebrow {
  margin: 0;
  color: var(--text-subtle);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hidden {
  display: none !important;
}

.viewer-banner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--viewer-banner-bg);
}

.simple-list {
  margin-top: 10px;
  margin-bottom: 0;
}

.simple-list li {
  margin-bottom: 6px;
}

.plan-list {
  margin-top: 8px;
  margin-bottom: 0;
  padding-left: 20px;
}

.plan-list li {
  margin-top: 4px;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.entry-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  background: var(--bg-surface-alt);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.entry-row[draggable="true"] {
  cursor: grab;
}

.entry-row--dragging {
  opacity: 0.45;
  border-style: dashed;
}

.entry-row--drag-target {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.entry-drag-handle {
  color: var(--text-subtle);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
}

.entry-index {
  width: 24px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 700;
}

.entry-merit {
  flex: 1;
  min-width: 120px;
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.focus-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: var(--bg-surface-alt);
}

.honor-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-top: 8px;
  background: var(--bg-surface);
}

.honor-card--has-note {
  border-left: 4px solid var(--warning-accent);
  background: var(--honor-note-bg);
}

.honor-note-input {
  margin-top: 6px;
}

.honor-note-highlight {
  margin: 0;
  padding: 7px 9px;
  border-radius: 6px;
  background: var(--warning-bg);
  color: var(--warning-text);
  font-size: 13px;
  border: 1px solid var(--warning-border);
}

.honor-card--locked {
  opacity: 0.65;
}

.honor-card--locked.honor-card--has-note {
  opacity: 0.85;
}

.badge--success {
  background: var(--success-bg);
  color: var(--success-text);
}

.badge--muted {
  background: var(--muted-bg);
  color: var(--text-subtle);
}

.badge--info {
  background: var(--info-bg);
  color: var(--info-text);
}

.badge--easy {
  background: var(--easy-bg);
  color: var(--easy-text);
}

.badge {
  background: var(--badge-bg);
  color: var(--info-text);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
}

.merit-card {
  border: 1px solid var(--border-muted);
  border-radius: 8px;
  padding: 12px;
  margin-top: 10px;
  background: var(--bg-surface);
}

.title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.small {
  width: 90px;
  min-width: 90px;
}

.progress {
  width: 100%;
  height: 12px;
  margin-top: 8px;
}

.progress-stack {
  display: flex;
  flex-direction: column;
}

.progress-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: 12px;
}

.progress-track {
  width: 100%;
  height: 12px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--progress-track);
}

.planned-track {
  background: var(--info-bg);
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
}

.current-fill {
  background: linear-gradient(90deg, #2563eb 0%, #1d4ed8 100%);
}

.planned-fill {
  background: linear-gradient(90deg, #0f766e 0%, #0d9488 100%);
}

.tutorial-backdrop {
  position: fixed;
  inset: 0;
  background: var(--tutorial-overlay);
  z-index: 2000;
}

.tutorial-popover {
  position: fixed;
  z-index: 2002;
  max-width: 320px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.tutorial-message {
  margin: 0;
  font-size: 14px;
  color: var(--text-primary);
}

.tutorial-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.tutorial-highlight {
  position: relative;
  z-index: 2001 !important;
  outline: 3px solid var(--warning-accent);
  outline-offset: 3px;
  border-radius: 8px;
}