/* July notebook theme: compatibility with the current application. */
:root { --font-heading: var(--font-print); }
body { zoom: 1; font-size: 17px; line-height: 1.5; padding: 28px 40px 64px; }
.container { max-width: 1100px; }
.main-content { width: 100%; min-width: 0; }
.hero { margin-bottom: 28px; padding: 16px 150px 0; }
.hero-logo { width: 220px; max-width: 100%; margin: 0; }
.hero-subtitle { font-size: .8rem; }
.header-buttons { z-index: 210; }
.theme-btn { color: var(--ink); }
.sidebar.pinned ~ .main-layout { margin-left: 0; }
@media (min-width: 901px) {
  body:has(.sidebar.pinned) { padding-left: 300px; }
}
.tabs { flex-wrap: nowrap; }
.tab-btn { padding: 12px 20px 16px; font-size: 1rem; }
.tab-btn:nth-child(1)::before { background: var(--accent2); opacity: 1; }
.tab-btn:nth-child(2)::before { background: var(--accent3); opacity: 1; }
.tab-btn:nth-child(3)::before { background: var(--ink-red); opacity: 1; }
.tab-btn:nth-child(4)::before { background: var(--ink-green); opacity: 1; }
.ticket, .task-card, .integral-card { min-width: 0; }
.ticket-title { overflow-wrap: anywhere; }
.ticket-header { gap: 12px; flex-wrap: wrap; }
.action-buttons { flex-wrap: wrap; }
.ticket-meta { overflow-wrap: anywhere; }
.conspect-content img { max-width: 100%; height: auto; }
.conspect-content table { display: block; max-width: 100%; overflow-x: auto; }
.katex-display { max-width: 100%; overflow-x: auto; overflow-y: hidden; }
.sidebar-content-inner { padding-bottom: 80px; }
.sidebar-lesson-name, .sidebar-module-title { white-space: normal; }
.ux-sidebar-tools { margin: 0 0 16px; }
.ux-sidebar-search {
  display: flex; align-items: center; gap: 7px; padding: 8px 10px;
  border: 1px dashed var(--ring); border-radius: 6px; background: var(--paper); color: var(--pencil);
}
.ux-sidebar-search svg { width: 16px; height: 16px; flex: 0 0 16px; }
.ux-sidebar-search input {
  width: 100%; min-width: 0; padding: 0; border: 0;
  background: transparent; color: var(--ink); font: inherit; font-size: .75rem;
}
.ux-search-clear { display: none; border: 0; background: none; color: var(--pencil); cursor: pointer; font-size: 18px; }
.has-value .ux-search-clear { display: block; }
.course { margin-bottom: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.course > summary {
  display: flex; align-items: center; gap: 9px; padding: 12px 10px;
  cursor: pointer; list-style: none; border-radius: 7px; color: var(--ink);
}
.course > summary::-webkit-details-marker, .course-topic > summary::-webkit-details-marker { display: none; }
.course > summary::before, .course-topic > summary::before {
  content: ''; flex: 0 0 6px; width: 6px; height: 6px; border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor; transform: rotate(-45deg); color: var(--pencil);
}
.course[open] > summary::before, .course-topic[open] > summary::before { transform: rotate(45deg); }
.course > summary:hover { background: var(--paper-alt); }
.course-active { border-color: var(--ink-blue); }
.course-active > summary .course-title { color: var(--ink-blue); }
.course-heading { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.course-title { font-size: .81rem; font-weight: 650; line-height: 1.4; overflow-wrap: anywhere; }
.course-subtitle { font-size: .65rem; color: var(--pencil); line-height: 1.4; }
.course-count { flex: 0 0 auto; color: var(--pencil); font-size: .62rem; padding: 2px 5px; background: var(--paper-alt); border-radius: 4px; }
.course > .course-children { padding: 0 8px 10px; border-top: 1px dashed var(--line); }
.course-topic { margin-top: 4px; }
.course-topic > summary {
  display: flex; align-items: baseline; gap: 9px; padding: 9px 5px;
  cursor: pointer; list-style: none; color: var(--ink-blue); font-size: .76rem; font-weight: 600; line-height: 1.5;
}
.course-topic > .course-children { margin: 0 0 7px 8px; padding-left: 9px; border-left: 1px solid var(--line); }
.course-link {
  display: block; width: 100%; min-height: 36px; text-align: left; padding: 8px;
  border: 0; border-radius: 5px; background: transparent; color: var(--ink);
  font: .75rem/1.5 var(--font-print); cursor: pointer; overflow-wrap: anywhere;
}
.course-link:hover, .course-link[aria-current="page"] { background: var(--paper-alt); color: var(--ink-blue); }
.course-link[aria-current="page"] { box-shadow: inset 3px 0 var(--ink-blue); }
.course-overview { margin: 7px 0; color: var(--ink-blue); font-size: .7rem; }
.course-ticket { font-size: .7rem; }
.course-mastered { color: var(--ink-green); }
.course-learning { box-shadow: inset 2px 0 var(--accent2); }
.course-nav-note, .course-error { color: var(--pencil); font-size: .75rem; padding: 10px 8px; }
#course-navigation [hidden] { display: none !important; }
.course-link:disabled { opacity: .6; cursor: wait; }
.course-year { margin-bottom: 8px; }
.course-year > summary {
  padding: 4px 0 10px; color: var(--ink-blue); font-size: 1rem; font-weight: 700;
  cursor: pointer; list-style: none; border-bottom: 1px dashed var(--ring);
}
.course-year > summary::-webkit-details-marker { display: none; }
.course-year > summary::before {
  content: ''; display: inline-block; width: 6px; height: 6px; margin: 0 10px 2px 2px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg); color: var(--pencil);
}
.course-year[open] > summary::before { transform: rotate(45deg); }
.course-year > .course-children { padding: 10px 0 0 10px; border-left: 1px solid var(--line); }
.ux-remove-section, .ux-search-hidden, .sidebar-search-hidden, .ux-filter-hidden { display: none !important; }
.ux-course-intro {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; margin-bottom: 24px; padding-bottom: 20px;
  border-bottom: 1px dashed var(--ring);
}
.ux-course-kicker { color: var(--pencil); font-size: .75rem; }
.ux-course-intro h1 { color: var(--ink-blue); font-size: 1.5rem; margin: 4px 0; }
.ux-course-intro p { color: var(--pencil); font-size: .85rem; }
.ux-course-side { display: flex; flex-direction: column; gap: 10px; }
.ux-course-compact-stat { color: var(--ink-green); font-size: .8rem; }
.ux-course-progress { flex-basis: 100%; height: 5px; background: var(--line); border-radius: 4px; overflow: hidden; }
.ux-course-progress > span { display: block; height: 100%; background: var(--ink-green); transition: width .2s; }
.ux-notes-link { color: var(--ink-blue); font-size: .8rem; text-underline-offset: 4px; }
.ux-ticket-filters {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap;
  gap: 10px; padding: 12px 0 18px; margin-bottom: 4px;
}
.ux-filter-group { display: flex; flex-wrap: wrap; gap: 6px; }
.ux-filter-group button {
  padding: 6px 10px; font: inherit; font-size: .75rem; color: var(--pencil);
  background: var(--paper); border: 1px dashed var(--ring); border-radius: 4px; cursor: pointer;
}
.ux-filter-group button:hover { border-color: var(--ink-blue); color: var(--ink-blue); }
.ux-filter-group button.active { background: var(--sticker-y); color: var(--ink); border-style: solid; }
.ux-filter-count { color: var(--pencil); font: .7rem var(--font-mono); }
.ux-notes-figures { margin: 18px 0; padding: 14px; border: 1px dashed var(--line); background: var(--paper-alt); }
.ux-figures-title { display: flex; justify-content: space-between; gap: 12px; font-size: .8rem; }
.ux-figures-title a { color: var(--ink-blue); }
.ux-figures-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 14px; margin-top: 12px; }
.ux-figures-grid figure { margin: 0; }
.ux-figures-grid img { width: 100%; max-height: 340px; object-fit: contain; background: #fff; border-radius: 4px; }
.ux-figures-grid figcaption { margin-top: 6px; font-size: .7rem; color: var(--pencil); }
.sidebar-overlay { display: none; }
button:focus-visible, input:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--ink-blue); outline-offset: 4px;
}
@media (max-width: 900px) {
  body { padding: 20px 16px 80px; }
  .hero { padding: 52px 0 0; }
  .hero-logo { width: 220px; }
  .header-buttons { top: 0; right: 0; }
  .sidebar, .sidebar.mobile-open {
    display: block; width: min(300px, 85vw); z-index: 300;
    transform: translateX(-100%);
  }
  .sidebar.mobile-open { transform: translateX(0); }
  .sidebar .sidebar-content, .sidebar.expanded .sidebar-content, .sidebar.pinned .sidebar-content, .sidebar.mobile-open .sidebar-content {
    width: 100%; overflow-y: auto; overflow-x: hidden; border-radius: 0 12px 12px 0;
  }
  .sidebar-content-inner { width: 100%; min-width: 0; }
  .sidebar-trigger { display: none; }
  .sidebar-overlay { display: none !important; }
  body.sidebar-open::before {
    content: ''; position: fixed; inset: 0; background: rgba(26, 26, 46, .4); z-index: 290;
  }
  body.sidebar-open { overflow: hidden; }
  .hamburger-btn { display: flex; z-index: 310; }
  .main-layout, .sidebar.pinned ~ .main-layout { margin-left: 0; }
  .tabs { flex-wrap: wrap; gap: 4px; }
  .tab-btn { flex: 1; white-space: nowrap; text-align: center; font-size: .85rem; padding: 10px 12px 14px; }
  .sub-tab-btn { min-width: 0; max-width: 100%; white-space: normal; overflow-wrap: anywhere; }
}
@media (max-width: 520px) {
  body { padding: 14px 8px 80px; font-size: 15px; }
  .hero { padding-top: 48px; margin-bottom: 18px; }
  .hero-logo { width: 180px; }
  .hero-warn { max-width: 45px; width: 45px; }
  .hero-subtitle { font-size: .7rem; }
  .tab-btn { flex-basis: calc(50% - 8px); font-size: .8rem; padding: 10px 8px; }
  #exam-pane, #archive-pane, #exam-tasks-pane, #physics-ntk-pane, #semester1-pane { padding: 18px 12px; }
  #exam-pane::before, #archive-pane::before { display: none; }
  .ticket-header { align-items: stretch; }
  .action-buttons { display: flex; gap: 6px; }
  .action-btn { min-height: 36px; }
  .stats-grid { flex-direction: row; gap: 12px !important; }
  .stats-grid > div { flex-basis: 40% !important; }
  .sub-tabs { flex-wrap: wrap; }
  .sub-tab-btn { max-width: 100%; overflow-wrap: anywhere; }
  .ux-course-intro h1 { font-size: 1.2rem; }
  .auth-dropdown { min-width: min(280px, calc(100vw - 32px)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}