/* ── Study Notes Page ─────────────────────────── */
.study-notes-page {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-2xl);
}
.study-notes-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}
.study-notes-header svg {
  color: var(--accent);
  flex-shrink: 0;
}
.study-notes-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

/* List view */
.sn-list-search {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  margin-top: var(--spacing-md);
}
.sn-category-heading {
  grid-column: 1 / -1;
  margin: var(--spacing-md) 0 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.study-notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}
.study-note-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  text-align: left;
  font-family: inherit;
  color: inherit;
  width: 100%;
}
.study-note-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.study-note-card-icon {
  color: var(--accent);
  flex-shrink: 0;
}
.study-note-card-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.study-note-card-title {
  font-weight: 600;
  font-size: 0.95rem;
}
.study-note-card-cat {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--accent-dim);
  padding: 2px 8px;
  border-radius: 100px;
  width: fit-content;
}
.sn-card-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ── Viewer ── */
.study-notes-viewer {
  width: 100%;
  padding: 0;
}
.study-notes-viewer-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 6px var(--spacing-sm);
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}
.study-notes-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.study-notes-viewer-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Toolbar */
.sn-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.sn-tool-btn {
  padding: 4px 6px !important;
  min-width: 0 !important;
  border-radius: var(--radius-sm) !important;
  flex-shrink: 0;
}
.sn-tool-btn.sn-tool-active {
  background: var(--accent-dim);
  color: var(--accent);
}
.sn-page-indicator {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 0 4px;
}
.study-notes-dl-btn {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

/* Zoom controls */
.sn-zoom-controls {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.sn-zoom-fit-btn {
  font-size: 0.72rem;
  padding: 4px 8px !important;
}
.sn-zoom-level {
  font-size: 0.72rem;
  color: var(--text-muted);
  min-width: 34px;
  text-align: center;
  white-space: nowrap;
}

/* Viewer body (flex container for TOC + PDF + minimap) */
.sn-viewer-body {
  display: flex;
  height: calc(100dvh - 52px);
  position: relative;
}

/* PDF container */
.study-notes-pdf-container {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--bg-primary);
  touch-action: pan-y;
  position: relative;
}

/* Page wrapper */
.sn-page {
  position: relative;
  margin: 0 auto var(--spacing-sm);
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}
.sn-page canvas { display: block; }
.sn-page .textLayer ::selection { background: var(--accent-dim); }
.sn-page .textLayer ::-moz-selection { background: var(--accent-dim); }

/* Dark mode inversion (Feature 2) */
.sn-dark-invert .sn-page canvas {
  filter: invert(1) hue-rotate(180deg);
}

/* TOC sidebar (Feature 4) */
.sn-toc-sidebar {
  width: 0;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  border-right: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: width 0.2s;
}
.sn-toc-sidebar.open {
  width: 240px;
  padding: var(--spacing-sm);
}
.sn-toc-header {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 8px;
  margin-bottom: var(--spacing-xs);
}
.sn-toc-item {
  padding: 5px 8px;
  font-size: 0.8rem;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sn-toc-item:hover {
  background: var(--bg-card-hover);
}

/* Minimap (Feature 5) */
.sn-minimap {
  width: 10px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 2px 0;
  position: relative;
  background: transparent;
  cursor: pointer;
}
.sn-minimap-page {
  flex: 1;
  background: var(--border);
  border-radius: 1px;
  min-height: 2px;
  transition: background 0.15s;
}
.sn-minimap-page:hover {
  background: var(--text-muted);
}
.sn-minimap-page.active {
  background: var(--accent);
}
.sn-minimap-viewport {
  position: absolute;
  left: 0;
  right: 0;
  background: var(--accent-dim);
  border-radius: 2px;
  pointer-events: none;
  min-height: 4px;
}

/* Search (Feature 7) */
.sn-search-wrapper {
  display: flex;
  align-items: center;
  gap: 2px;
}
.sn-search-input {
  width: 0;
  opacity: 0;
  padding: 0;
  border: none;
  transition:
    width 0.2s,
    opacity 0.2s,
    padding 0.2s;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: inherit;
}
.sn-search-wrapper.active .sn-search-input {
  width: 160px;
  opacity: 1;
  padding: 4px 8px;
  border: 1px solid var(--border);
}
.sn-search-results {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  display: none;
}
.sn-search-wrapper.active .sn-search-results {
  display: inline;
}
.sn-search-nav {
  display: none;
  font-size: 0.7rem;
}
.sn-search-wrapper.active .sn-search-nav {
  display: inline-flex;
}
.sn-search-highlight {
  background: rgba(251, 191, 36, 0.5) !important;
  color: transparent !important;
  border-radius: 2px;
}

/* Shortcuts modal (Feature 3) */
.sn-shortcuts-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.sn-shortcuts-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.sn-shortcuts-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  max-width: 380px;
  width: 90%;
}
.sn-shortcuts-content h3 {
  margin: 0 0 var(--spacing-md);
  font-size: 1rem;
}
.sn-shortcuts-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  font-size: 0.85rem;
}
.sn-shortcuts-grid kbd {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  text-align: center;
  min-width: 28px;
}
.sn-shortcuts-content button {
  margin-top: var(--spacing-md);
  width: 100%;
}

/* Loading */
.sn-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-2xl);
  color: var(--text-muted);
}
.sn-spinner {
  width: 34px;
  height: 34px;
}

/* Mobile */
@media (max-width: 768px) {
  .study-notes-page { padding: var(--spacing-md) var(--spacing-sm); }
  .study-notes-viewer-title { font-size: 0.85rem; }
  .study-notes-dl-btn { font-size: 0; gap: 0; }
  .study-notes-dl-btn svg { width: 18px; height: 18px; }
  .sn-viewer-body { height: calc(100dvh - 100px); }
  .sn-toc-sidebar.open {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-height: 50vh;
    border-right: none;
    border-top: 1px solid var(--border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    z-index: 20;
  }
  .sn-zoom-level {
    display: none;
  }
  .sn-zoom-fit-btn {
    display: none;
  }
  .sn-search-wrapper.active .sn-search-input {
    width: 100px;
  }
}

body:has(.signin-page) #app {
  padding-top: 0 !important;
}

body:has(.signin-page) #nav-root {
  display: none !important;
}

.home-page-intro {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  align-items: flex-end;
  flex-wrap: wrap;
}

.home-page-eyebrow,
.settings-eyebrow,
.priority-page-header__eyebrow,
.qc-page-kicker,
.exam-shell-header__kicker {
  margin-bottom: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.home-desk-card {
  flex: 1;
  min-width: min(420px, 100%);
  padding: 0 0 clamp(22px, 3vw, 34px);
  background: transparent;
  border: none;
  box-shadow: none;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.home-desk-card:hover,
[data-theme="light"] .home-desk-card:hover {
  background: transparent;
  box-shadow: none;
  transform: none;
}

.home-desk-card__main {
  flex: 1;
  min-width: 0;
}

.home-desk-card__filters-slot {
  flex-shrink: 0;
  align-self: flex-start;
  margin-top: 4px;
}

@media (max-width: 767px) {
  .home-desk-card {
    flex-direction: column;
    align-items: stretch;
  }
  .home-desk-card__filters-slot {
    align-self: flex-start;
  }
}

.home-desk-card__eyebrow {
  margin-bottom: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  font-weight: 700;
}

.home-desk-card__summary {
  max-width: 62ch;
  color: var(--text-secondary);
}

.dash-hero--simple {
  display: block;
  margin-bottom: var(--spacing-lg);
}

.home-desk-card__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: var(--spacing-lg) 0;
}

.home-desk-meta {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-secondary) 80%, transparent);
}

.home-desk-meta__label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.home-desk-meta strong {
  display: block;
  font-size: 0.95rem;
}

.home-desk-card__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.home-side-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-width: 280px;
  flex: 0 0 320px;
}

.home-summary-grid,
.settings-grid,
.home-main-grid,
.home-lower-grid {
  display: grid;
  gap: var(--spacing-md);
}

.home-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--spacing-xl);
}

.home-secondary-stack {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.home-summary-card {
  padding: 16px 18px;
}

.home-summary-card span,
.qc-hero-stat span,
.exam-setup-summary__item span {
  display: block;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.home-summary-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 1.7rem;
  line-height: 1;
}

.qc-hero-stat strong,
.exam-setup-summary__item strong {
  display: block;
  margin: 4px 0 2px;
  font-size: 1.15rem;
  line-height: 1;
}

.home-summary-card p {
  color: var(--text-secondary);
  font-size: 0.84rem;
}

.home-main-grid,
.home-lower-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: var(--spacing-xl);
}

.home-section-card,
.settings-card {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-soft);
}

.exam-shell-header {
  padding: 0 0 var(--spacing-md);
  background: transparent;
  border: none;
  box-shadow: none;
}

.exam-setup-summary,
.qc-course-lane {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: transparent;
  box-shadow: none;
}

.analytics-route-card {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.analytics-route-card p {
  margin: 0;
}

[data-theme="glass"] .exam-shell-header .text-muted,
[data-theme="glass"] .home-desk-card__summary,
[data-theme="glass"] .home-summary-card p,
[data-theme="glass"] .settings-card-head p {
  color: var(--text-secondary);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.18);
}

[data-theme="glass"] .exam-setup-summary__item span,
[data-theme="glass"] .setup-config-panel .config-label,
[data-theme="glass"] .category-card-count,
[data-theme="glass"] #exam-qs-summary,
[data-theme="glass"] .selected-count-label {
  color: var(--text-muted);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.16);
}

[data-theme="glass"] .manage-tab,
[data-theme="glass"] .filter-pill {
  color: var(--text-secondary);
}

[data-theme="glass"] .manage-tab.active,
[data-theme="glass"] .filter-pill.active {
  color: var(--text-primary);
}

.home-section-head,
.settings-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
}

.home-section-kicker,
.settings-card-kicker,
.qc-course-lane__eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}

.home-momentum-callout {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}
.home-momentum-callout strong {
  color: var(--text-primary);
  font-weight: 700;
}
.home-momentum-callout__sep {
  margin: 0 6px;
  color: var(--text-muted);
}

.home-momentum-card {
  gap: var(--spacing-md);
}

.home-momentum-chart {
  display: grid;
  grid-template-columns: repeat(14, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
  min-height: 210px;
}

.home-momentum-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.home-momentum-bar__track {
  display: flex;
  align-items: end;
  width: 100%;
  height: 160px;
  padding: 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-secondary));
}

.home-momentum-bar__fill {
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 46%, var(--success)) 100%);
}

.home-momentum-bar span {
  color: var(--text-muted);
  font-size: 0.68rem;
}

.home-topic-list,
.home-table,
.home-activity-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.home-topic-item,
.home-table-row,
.home-activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-secondary) 80%, transparent);
}

.home-topic-item {
  width: 100%;
  text-align: left;
}

.home-topic-item:hover {
  border-color: color-mix(in srgb, var(--accent) 18%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-secondary));
}

.home-topic-item span,
.home-table-row span,
.home-activity-item span {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.home-topic-item em,
.home-table-row em,
.home-activity-item em {
  font-style: normal;
  font-weight: 700;
}

.home-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.home-calendar-cell {
  min-height: 76px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-secondary) 72%, transparent);
}

.home-calendar-cell.active {
  border-color: color-mix(in srgb, var(--accent) 18%, var(--border));
  background: color-mix(in srgb, var(--accent) 9%, var(--bg-card));
}

.home-calendar-cell strong {
  display: block;
  font-size: 1rem;
}

.home-calendar-cell span {
  color: var(--text-muted);
  font-size: 0.74rem;
}

.home-streak-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--warning-dim);
  color: var(--warning);
  font-size: 0.8rem;
  font-weight: 700;
}

.home-review-note {
  color: var(--text-secondary);
  font-size: 0.82rem;
  text-align: center;
}

.home-goal-ring {
  position: relative;
  width: 160px;
  height: 160px;
  flex-shrink: 0;
  margin: 0;
}

.home-goal-ring svg {
  width: 160px;
  height: 160px;
  transform: rotate(-90deg);
}

.home-goal-track,
.home-goal-progress {
  fill: none;
  stroke-width: 8;
}

.home-goal-track {
  stroke: var(--border);
}

.home-goal-progress {
  transition: stroke-dashoffset 0.4s ease;
  stroke-linecap: round;
}

.home-goal-copy {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.home-goal-copy strong {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.home-goal-copy span {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.settings-page {
  padding-bottom: var(--spacing-2xl);
}

.settings-hero {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.settings-hero-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.settings-hero-pill {
  min-width: 140px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.settings-hero-label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.settings-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-card p {
  color: var(--text-secondary);
  font-size: 0.86rem;
}

.settings-card h2 {
  font-size: 1.34rem;
}

.settings-card--danger {
  border-color: color-mix(in srgb, var(--error) 16%, var(--border));
}

.settings-field label,
.settings-confirm label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.settings-inline,
.settings-goal-row,
.settings-data-row,
.settings-switch-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.settings-inline input,
.settings-goal-row input {
  flex: 1;
  min-width: 180px;
}

.settings-preset-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.settings-inline-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.settings-choice-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.settings-preset-btn,
.settings-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 600;
}

.settings-preset-btn.active,
.settings-switch-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.settings-switch-row + .settings-switch-row,
.settings-data-row + .settings-reset-block {
  margin-top: 14px;
}

.settings-switch-title {
  font-weight: 700;
}

.settings-switch-copy {
  color: var(--text-muted);
  font-size: 0.84rem;
  margin-top: 4px;
}

.settings-feedback {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--accent);
}

.settings-feedback--success {
  color: var(--success);
}

.settings-feedback--error {
  color: var(--error);
}

.settings-reset-block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.settings-confirm {
  margin-top: 14px;
}

.signin-page {
  min-height: 100dvh;
  padding: clamp(20px, 5vw, 48px);
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg-primary) 94%, transparent), color-mix(in srgb, var(--bg-primary) 86%, transparent)),
    var(--bg-pattern-image) calc(50% - 28px) 30% / calc(max(100vw, 148vh) + 56px) auto no-repeat;
  color: var(--text-primary);
}

.signin-shell {
  display: flex;
  justify-content: center;
  width: min(100%, 540px);
  max-width: 540px;
  margin: 0 auto;
  align-items: center;
}

.signin-panel {
  width: 100%;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 74%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-card) 93%, transparent), color-mix(in srgb, var(--bg-card) 97%, transparent));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(18px);
}

[data-theme="light"] .signin-page {
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg-primary) 89%, transparent), color-mix(in srgb, var(--bg-primary) 76%, transparent)),
    var(--bg-pattern-image) calc(50% - 28px) 30% / calc(max(100vw, 148vh) + 56px) auto no-repeat;
}

[data-theme="light"] .signin-panel {
  box-shadow: 0 24px 64px rgba(55, 42, 29, 0.16);
}

.signin-panel--main {
  padding: clamp(34px, 5vw, 52px);
}

.signin-panel--compact {
  max-width: 540px;
}

.signin-panel--side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  justify-content: center;
}

.signin-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  text-align: center;
}

.signin-brand-wordmark {
  gap: 8px;
}

.signin-brand-wordmark .brand-wordmark__parent {
  font-size: clamp(2.25rem, 6vw, 3.35rem);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow: 0 2px 0 color-mix(in srgb, var(--warning) 35%, transparent);
}

.signin-brand-wordmark .brand-wordmark__tier {
  grid-template-columns: minmax(1.75rem, 3.2rem) auto minmax(1.75rem, 3.2rem);
  gap: 0.72rem;
  color: var(--warning);
}

.signin-brand-wordmark .brand-wordmark__product {
  font-size: clamp(0.76rem, 1.8vw, 1rem);
  letter-spacing: 0.24em;
}

.signin-brand__meta {
  color: var(--text-secondary);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signin-side-block {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-secondary) 82%, transparent);
}

.signin-side-block strong {
  display: block;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.signin-side-block p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
  margin: 0;
}

.signin-side-block__label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.signin-heading--with-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45em;
}

.signin-heading-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.signin-page--waitlist .signin-heading-icon {
  color: var(--warning);
}

.signin-page--denied .signin-heading-icon {
  color: var(--error);
}

.signin-heading {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin: 0 0 12px;
  line-height: 1;
  letter-spacing: 0;
  text-align: center;
}

.signin-subtext {
  max-width: 42ch;
  margin: 0 auto 32px;
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
}

.signin-google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  padding: 14px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-card) 58%, transparent);
  color: var(--text-primary);
  font-weight: 800;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.15s ease,
    background 0.2s ease;
}

.signin-google-btn:hover {
  background: color-mix(in srgb, var(--bg-card-hover) 72%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
  transform: translateY(-1px);
}

.signin-secondary-btn {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.signin-secondary-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-light);
  box-shadow: none;
}

.signin-error {
  margin-top: 16px;
  color: var(--error);
  font-size: 0.86rem;
  display: none;
}

.signin-hint {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 0.8rem;
  line-height: 1.5;
}

.signin-email-pill {
  display: flex;
  align-items: center;
  width: fit-content;
  padding: 8px 14px;
  margin: 0 auto 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-secondary) 86%, transparent);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: var(--font-mono);
}

.signin-back-link {
  display: inline-flex;
  margin: 18px auto 0;
  color: var(--text-muted);
  text-decoration: none;
}

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

.signin-legal-links {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.signin-legal-links a {
  color: inherit;
  text-decoration: none;
}

.signin-legal-links a:hover {
  color: var(--accent);
}

.qc-page-intro {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  align-items: flex-end;
  flex-wrap: wrap;
}

.qc-course-header-btn {
  flex: 0 0 auto;
  align-self: center;
  white-space: nowrap;
}

.qc-hero-stats,
.exam-setup-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--spacing-sm);
}

.qc-hero-stat,
.exam-setup-summary__item {
  min-width: 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: transparent;
}

.qc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--spacing-lg);
  align-items: start;
}

.qc-layout {
  margin-bottom: 0;
}

.exam-shell-header {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  align-items: flex-end;
  flex-wrap: wrap;
}

.exam-shell-header__filters {
  justify-content: flex-end;
}

.exam-setup-summary {
  margin-bottom: var(--spacing-lg);
}

.priority-page-header {
  margin-bottom: var(--spacing-lg);
}

.priority-focus-card {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--bg-card)) 0%, var(--bg-card) 60%),
    var(--bg-card);
}

@media (max-width: 1023px) {
  .settings-grid,
  .home-summary-grid,
  .home-main-grid,
  .home-lower-grid,
  .home-secondary-stack,
  .qc-shell {
    grid-template-columns: 1fr;
  }

  .signin-shell {
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  .home-summary-grid,
  .exam-setup-summary {
    grid-template-columns: 1fr;
  }

  .home-desk-card__actions,
  .settings-inline,
  .settings-goal-row,
  .settings-data-row,
  .settings-switch-row {
    flex-direction: column;
    align-items: stretch;
  }

  .home-momentum-chart {
    gap: 6px;
  }

  .home-calendar-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}