/* Hallmark · pre-emit critique: P5 H4 E5 S5 R4 V4
 * macrostructure: Index-First · theme: Brutal · genre: editorial
 * nav: N7 Brutal slab · footer: Ft2 Inline single line · enrichment: none
 * audience: classmates · use: navigate to study files · tone: utilitarian + brutalist
 * axes: light paper · display-heavy · warm accent
 * post-audit fixes: tokens.css extracted, easing tokens, reduced-motion, header overflow-wrap
 */

@import url("tokens.css");

::selection {
  background: var(--color-accent);
  color: var(--color-paper);
}

:root {
  scrollbar-color: var(--color-rule) var(--color-paper);
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-thumb {
  background: var(--color-rule);
  border: 3px solid var(--color-paper);
}

::-webkit-scrollbar-track {
  background: var(--color-paper);
}

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

html {
  overflow-x: clip;
}

body {
  overflow-x: clip;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.no-scroll {
  overflow: hidden;
}

/* ─── N7: Brutal slab nav ─── */

.masthead {
  border-bottom: var(--border-thick) solid var(--color-rule);
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.masthead .wordmark {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.masthead .wordmark em {
  font-style: normal;
  color: var(--color-accent);
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.search-wrap input {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-rule);
  border-radius: var(--radius-none);
  background: var(--color-paper);
  color: var(--color-ink);
  height: 2.5rem;
  box-sizing: border-box;
  min-width: 220px;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.search-wrap input:focus-visible {
  outline: none;
  border-color: var(--color-focus);
}

.search-wrap input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.search-wrap input::placeholder {
  color: var(--color-muted);
}

.drive-link {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-ink);
  flex-shrink: 0;
}

.drive-link:hover {
  color: var(--color-accent);
}

.drive-link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

button.drive-link {
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
}

.drive-link.connected {
  color: var(--color-accent);
}

span.drive-link {
  pointer-events: none;
  cursor: default;
}

.theme-toggle {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink);
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  border-radius: var(--radius-none);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  line-height: 1;
  height: 2.5rem;
  box-sizing: border-box;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.theme-toggle:hover {
  background: var(--color-rule);
  color: var(--color-paper);
}

.theme-toggle:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.drive-external {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  border: var(--border-thick) solid var(--color-rule);
  padding: var(--space-xs) var(--space-sm);
  height: 2.5rem;
  box-sizing: border-box;
  display: inline-grid;
  place-items: center;
  line-height: 1;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}

.drive-external:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.drive-external:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.drive-card-btn {
  border: none;
  background: none;
  cursor: pointer;
  padding: 0;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.drive-card-btn:hover {
  color: var(--color-accent);
}

.drive-card-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ─── Drive Modal ─── */

.drive-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.drive-modal-overlay.open {
  display: flex;
}

.drive-modal-panel {
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  width: 100%;
  max-width: 640px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.drive-modal-panel.preview {
  max-width: 90vw;
  max-height: 90vh;
}

.drive-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thick) solid var(--color-rule);
}

.drive-modal-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.drive-modal-close {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-rule);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-xs);
  flex-shrink: 0;
}

.drive-modal-close:hover {
  color: var(--color-ink);
}

.drive-modal-close:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.drive-modal-body {
  flex: 1;
  overflow-y: auto;
}

.drive-modal-body-preview {
  display: flex;
  flex-direction: column;
  padding: 0;
}

.drive-modal-group {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  cursor: pointer;
  user-select: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) var(--space-lg);
  border-bottom: 1px solid var(--color-paper-2);
  transition: color var(--dur-fast) var(--ease-out);
}

.drive-modal-group:hover {
  color: var(--color-ink);
}

.drive-modal-group.collapsed {
  color: var(--color-muted);
}

.drive-modal-group-content {
  overflow: hidden;
}

.drive-modal-arrow {
  display: inline-block;
  width: 1em;
}

.drive-modal-file-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-lg);
  border-bottom: 1px solid var(--color-paper-2);
}

.drive-modal-open {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
  flex-shrink: 0;
  padding: var(--space-xs) 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.drive-modal-open:hover {
  color: var(--color-accent);
}

.drive-modal-file {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  padding: var(--space-xs) 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.drive-modal-file:hover {
  color: var(--color-accent);
}

.drive-modal-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-paper);
  background: var(--color-accent);
  padding: 0.1em 0.4em;
  flex-shrink: 0;
  margin-left: auto;
  line-height: 1.4;
}

.drive-modal-preview-actions {
  display: flex;
  border-bottom: 1px solid var(--color-paper-2);
  flex-shrink: 0;
}

.drive-modal-preview-actions button,
.drive-modal-preview-actions a {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  text-decoration: none;
}

.drive-modal-preview-actions a {
  margin-left: auto;
  border-left: 1px solid var(--color-paper-2);
}

.drive-modal-preview-actions button:hover,
.drive-modal-preview-actions a:hover {
  color: var(--color-ink);
}

.drive-modal-preview-actions button:focus-visible,
.drive-modal-preview-actions a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.drive-modal-loading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: grid;
  place-items: center;
  flex: 1;
  min-height: 60vh;
  animation: pulse 1.5s ease-in-out infinite;
}

.drive-modal-fallback {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  display: grid;
  place-items: center;
  flex: 1;
  min-height: 60vh;
  text-align: center;
  padding: var(--space-lg);
}

.drive-modal-fallback a {
  color: var(--color-accent);
}

.drive-modal-iframe {
  width: 100%;
  flex: 1;
  border: none;
  min-height: 60vh;
}

.drive-modal-img {
  width: 100%;
  flex: 1;
  object-fit: contain;
  min-height: 60vh;
}

/* ─── Semester tabs ─── */

.semester-bar {
  display: flex;
  gap: 0;
  border-bottom: var(--border-thick) solid var(--color-rule);
  padding: 0 var(--space-xl);
}

.semester-tab {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-none);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
}

.semester-tab:hover {
  color: var(--color-ink);
}

.semester-tab:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.semester-tab:active {
  color: var(--color-accent);
}

.semester-tab:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.semester-tab.active {
  color: var(--color-ink);
  background: var(--color-paper-2);
  box-shadow: inset 0 calc(-1 * var(--border-thick)) 0 0 var(--color-rule);
}

/* ─── Dashboard main ─── */

.dashboard {
  padding: var(--space-2xl) var(--space-xl);
}

.dashboard-header {
  margin-bottom: var(--space-xl);
}

.dashboard-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

.dashboard-header p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

/* ─── Course grid ─── */

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-md);
}

.course-card {
  border: var(--border-thick) solid var(--color-rule);
  border-radius: var(--radius-none);
  background: var(--color-paper);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  overflow: hidden;
}

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

.course-card:focus-within {
  border-color: var(--color-focus);
}

.course-card.active {
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 2px var(--color-accent);
}

.course-card-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.course-card-empty {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.course-card-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.1rem;
  height: 1.1rem;
  padding: 0 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-paper);
  background: var(--color-muted);
  line-height: 1;
  vertical-align: middle;
  margin-left: var(--space-sm);
}

.course-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  user-select: none;
  gap: var(--space-md);
}

.course-card-header h3 {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  min-width: 0;
}

.course-card-toggle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-muted);
  transition: transform var(--dur-normal) var(--ease-out);
  flex-shrink: 0;
}

.course-card.expanded .course-card-toggle {
  transform: rotate(45deg);
}

.course-card-header:hover .course-card-toggle {
  color: var(--color-accent);
}

/* ponytail: grid-rows 0fr→1fr avoids max-height layout thrash,
   animates transform-safe grid, zero-JS. Visibility hides the
   collapsed strip so padding/border can't peek out. */
.course-files {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  visibility: hidden;
  transition: grid-template-rows var(--dur-slow) var(--ease-out), visibility 0s linear var(--dur-slow);
}

.course-card.expanded .course-files {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows var(--dur-slow) var(--ease-out), visibility 0s;
}

.course-files-inner {
  overflow: hidden;
  min-height: 0;
  border-top: 1px solid var(--color-rule-light);
  padding: var(--space-sm) var(--space-lg) var(--space-md);
}

.file-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.file-link::before {
  content: "\2192";
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  transition: color var(--dur-fast) var(--ease-out);
}

.file-link:hover {
  color: var(--color-accent);
}

.file-link:hover::before {
  color: var(--color-accent);
}

.file-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 0;
}

.file-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.file-link {
  flex: 1;
  min-width: 0;
}

.file-download {
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.file-download::after {
  content: "\2193";
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1;
}

.file-download:hover {
  color: var(--color-accent);
}

.file-download:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.file-row:last-child .file-link {
  border-bottom: none;
}

/* ─── No results ─── */

.no-results {
  display: none;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
}

.no-results.visible {
  display: block;
}

.no-results p {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-muted);
}

/* ─── Loading state ─── */

.loading-state {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  border: var(--border-thick) solid var(--color-rule);
  animation: pulse 1.5s ease-in-out infinite;
}

.loading-state.error {
  color: var(--color-accent);
  animation: none;
}

.loading-state.error button {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  background: none;
  border: var(--border-thick) solid var(--color-rule);
  color: var(--color-ink);
  cursor: pointer;
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.loading-state.error button:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ─── 404 ─── */

.error-404 {
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  border: var(--border-thick) solid var(--color-rule);
}

.error-404-code {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  line-height: 1;
}

.error-404-msg {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-md);
}

.error-404-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--color-accent);
  border: var(--border-thick) solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin-top: var(--space-xl);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.error-404-link:hover {
  color: var(--color-paper);
  background: var(--color-accent);
}

/* ─── Ft2: Inline single line footer ─── */

.site-footer {
  border-top: var(--border-thick) solid var(--color-rule);
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.footer-sep {
  color: var(--color-rule-light);
  margin: 0 var(--space-sm);
}

.changelog-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.changelog-btn:hover {
  color: var(--color-ink);
}

.changelog-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ─── Changelog overlay ─── */

.changelog-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.changelog-overlay.open {
  display: flex;
}

.changelog-panel {
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.changelog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thick) solid var(--color-rule);
}

.changelog-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.changelog-close {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-rule);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.changelog-close:hover {
  color: var(--color-ink);
}

.changelog-close:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.changelog-body {
  padding: var(--space-md) var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.changelog-loading,
.changelog-error {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-xl) 0;
}

.changelog-error {
  color: var(--color-accent);
}

.changelog-empty {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-xl) 0;
}

.changelog-item {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-paper-2);
}

.changelog-item:last-child {
  border-bottom: none;
}

.changelog-item-msg {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  line-height: 1.4;
}

.changelog-item-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* ─── Stats overlay ─── */

.stats-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.stats-overlay.open {
  display: flex;
}

.stats-panel {
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  width: 100%;
  max-width: 480px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.stats-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thick) solid var(--color-rule);
}

.stats-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.stats-close {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-rule);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.stats-close:hover {
  color: var(--color-ink);
}

.stats-close:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.stats-body {
  padding: var(--space-md) var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.stats-loading {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-xl) 0;
}

.stats-section {
  margin-bottom: var(--space-lg);
}

.stats-section:last-child {
  margin-bottom: 0;
}

.stats-section h3 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.stats-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-paper-2);
}

.stats-row:last-child {
  border-bottom: none;
}

.stats-row span:last-child {
  color: var(--color-accent);
  font-weight: 700;
}

.stats-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ─── Bookmark overlay ─── */

.bookmark-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  padding: var(--space-md);
}

.bookmark-overlay.open {
  display: flex;
}

.bookmark-panel {
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  width: 100%;
  max-width: 480px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.bookmark-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thick) solid var(--color-rule);
}

.bookmark-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.bookmark-close {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-rule);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.bookmark-close:hover {
  color: var(--color-ink);
}

.bookmark-close:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.bookmark-body {
  padding: var(--space-md) var(--space-lg);
  overflow-y: auto;
  flex: 1;
}

.bookmark-loading {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-xl) 0;
}

.bookmark-empty {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-xl) 0;
}

.bookmark-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-paper-2);
}

.bookmark-item:last-child {
  border-bottom: none;
}

.bookmark-item-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
  flex: 1;
}

.bookmark-item-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  padding: 0;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease-out);
}

.bookmark-item-name:hover {
  color: var(--color-ink);
}

.bookmark-item-name:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.bookmark-breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Bookmark star ─── */

.bookmark-star {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-rule);
  flex-shrink: 0;
  transition: color var(--dur-fast) var(--ease-out);
}

.bookmark-star:hover {
  color: var(--color-accent);
}

.bookmark-star.active {
  color: var(--color-accent);
}

/* ─── Harden + adapt + motion feedback (steps 3/4/7/8/10) ─── */

body {
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

.dashboard {
  max-width: 76rem;
  margin-inline: auto;
}

.dashboard-header p,
.course-card-header h3,
.drive-modal-title,
.search-result-name {
  hyphens: auto;
}

.course-card-header:active,
.semester-tab:active,
.theme-toggle:active,
.drive-external:active {
  transform: scale(0.97);
}

.course-card.expanded .course-card-header h3 {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 4px;
}

.drive-modal-img {
  background: var(--color-paper-2);
}

[dir="rtl"] .file-link::before,
[dir="rtl"] .file-download::after {
  transform: scaleX(-1);
}

.drive-modal-overlay.open .drive-modal-panel,
.changelog-overlay.open .changelog-panel,
.stats-overlay.open .stats-panel,
.bookmark-overlay.open .bookmark-panel,
.search-modal-overlay.open .search-modal-panel {
  animation: overlay-in var(--dur-normal) var(--ease-out);
}

@keyframes overlay-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (hover: none) {
  .course-card:hover,
  .file-link:hover,
  .semester-tab:hover,
  .drive-link:hover,
  .theme-toggle:hover,
  .drive-external:hover {
    border-color: var(--color-rule);
    color: inherit;
  }

  .course-card:hover {
    border-color: var(--color-rule);
  }

  .file-link:hover,
  .file-link:hover::before {
    color: var(--color-ink);
  }
}

@media (pointer: coarse) {
  .drive-link,
  .theme-toggle,
  .drive-card-btn,
  .file-download,
  .bookmark-star {
    min-width: 44px;
    min-height: 44px;
  }
}

/* ─── Responsive ─── */

@media (max-width: 768px) {
  .masthead {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-md);
  }

  .search-wrap {
    flex-wrap: wrap;
  }

  .search-wrap input {
    flex: 1;
    min-width: 140px;
  }

  .semester-bar {
    padding: 0 var(--space-md);
    overflow-x: auto;
  }

  .semester-tab {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    white-space: nowrap;
  }

  .dashboard {
    padding: var(--space-lg) var(--space-md);
  }

  .course-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-header h2 {
    font-size: var(--text-xl);
  }
}

@media (max-width: 414px) {
  .masthead .wordmark {
    font-size: var(--text-lg);
  }

  .course-card-header {
    padding: var(--space-sm) var(--space-md);
  }

  .course-card-header h3 {
    font-size: var(--text-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .course-files-inner {
    padding: var(--space-sm) var(--space-md) var(--space-md);
  }

  .drive-card-btn,
  .file-download {
    width: 2.75rem;
    height: 2.75rem;
  }

  .drive-external {
    padding: var(--space-sm) var(--space-md);
  }
}

/* ─── Search modal ─── */

.search-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 999;
  justify-content: center;
  align-items: flex-start;
  padding: 10vh var(--space-md) var(--space-md);
}

.search-modal-overlay.open {
  display: flex;
}

.search-modal-panel {
  background: var(--color-paper);
  border: var(--border-thick) solid var(--color-rule);
  width: 100%;
  max-width: 640px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
}

.search-modal-head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-bottom: var(--border-thick) solid var(--color-rule);
}

.search-modal-input {
  flex: 1;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  padding: var(--space-sm) 0;
  border: none;
  border-radius: var(--radius-none);
  background: transparent;
  color: var(--color-ink);
  outline: none;
}

.search-modal-input::placeholder {
  color: var(--color-muted);
}

.search-modal-close {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-rule);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-xs);
}

.search-modal-close:hover {
  color: var(--color-ink);
}

.search-modal-close:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.search-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

.search-result {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  border-bottom: 1px solid var(--color-paper-2);
  border-left: 3px solid transparent;
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  animation: result-in var(--dur-fast) var(--ease-out);
}

@keyframes result-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.search-result:hover {
  background: var(--color-paper-2);
  border-left-color: var(--color-accent);
}

.search-result.active {
  background: var(--color-paper-2);
  border-left-color: var(--color-focus);
}

.search-result:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.search-result-path {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.search-result-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.search-result:hover .search-result-name {
  color: var(--color-accent);
}

.search-result.active .search-result-name {
  color: var(--color-accent);
}

.search-result-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  margin-left: var(--space-xs);
}

.search-result-file {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
  margin-left: var(--space-xs);
}

mark {
  background: var(--color-accent);
  color: var(--color-paper);
  padding: 0 0.15em;
}

.search-no-results {
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

/* ─── Reduced motion ─── */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    animation-duration: 0.01ms !important;
  }
}