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

:root {
  --bg-color: #fcfcfc;
  --text-color: #1a1a1a;
  --accent-color: #ffef86; /* Bold Yellow */
  --border-color: #000000;
  --border-color-weak: #aaa;
  --card-bg: #ffffff;
  --secondary-bg: #e2e4e7;
  --dim-text: #444;
  --dim-text-strong: #666;
  --strong-text: #222;
  --highlight-green: rgba(96, 222, 74, 0.4);
  --highlight-yellow: rgba(255, 222, 0, 0.4);
  --link-color: #2563eb;
  --text-dim-mid: #666;
  --text-dim-strong: #333;

  --theorem-bg: hsl(78, 98%, 95%);
  --lemma-bg: hsl(0, 86%, 97%);
  --definition-bg: #f0f9ff;
  --proposition-bg: #f0fdfa;
  --corollary-bg: #ecfdf5;
  --dim-bg: hsl(140, 30%, 96%);
  --fact-bg: #f5f3ff;
  --block-text: #000000;

  --border-width: 2px;
  --short-shadow-offset: 4px;
  --long-shadow-offset: 8px;
  --shadow-color: #cbcbcb;
}

[data-theme="dark"] {
  --bg-color: #32302f;
  --text-color: #ebdbb2;
  --accent-color: #fabd2f;
  --link-color: #83a598;
  --border-color: hsl(from var(--bg-color) h s calc(l + 15));
  --border-color-weak: hsl(from var(--bg-color) h s calc(l + 8));
  --card-bg: #3c3836;
  --secondary-bg: #282828;
  --dim-text: #a89984;
  --strong-text: #fbf1c7;
  --highlight-green: rgba(90, 90, 44, 0.5);
  --highlight-yellow: rgba(250, 189, 47, 0.35);

  --theorem-bg: #273e33;
  --lemma-bg: #3b1d1c;
  --definition-bg: #1d3043;
  --proposition-bg: #233d37;
  --corollary-bg: #2d3e23;
  --dim-bg: #2a332d;
  --fact-bg: #3b2c45;
  --block-text: #ebdbb2;
  --text-dim-mid: #a89984;
  --text-dim-strong: #ebdbb2;

  --shadow-color: #fff5;

  .theorem,
  .lemma,
  .definition,
  .proposition,
  .corollary,
  .dim,
  .fact,
  .entry-item,
  .search-card {
    --shadow-color: hsl(from var(--card-bg) h s calc(l + 15));
    --border-color: var(--shadow-color);
  }
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family:
    "Inria Sans",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-weight: 350;
  font-size: 18px;
  line-height: 1.6;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

ul,
ol {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}

ol {
  list-style-type: lower-roman;
}

li {
  margin-bottom: 0.5rem;
  font-weight: 500;
  transition: opacity 0.1s;
}

/* Links */
a {
  color: inherit;
  text-decoration: none;
}

#left-column .note-content a {
  background-color: #0001;
  padding: 0 4px;
  border-radius: 2px;
  transition: all 0.1s;
}

#left-column .note-content a:hover {
  background-color: var(--accent-color);
  color: #000000;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: #000000;
  text-underline-offset: 3px;
}

#left-column .note-content a .link-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 3px;
  line-height: 1;
}

#left-column .note-content a .link-icon svg {
  width: 12px;
  height: 12px;
  stroke-width: 2.2px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* Headers */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 2px solid var(--border-color);
  background: var(--card-bg);
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 0.5rem calc(0.5rem + var(--border-width)) 0.5rem 1rem;

  box-shadow: 0 0 2rem 0 rgba(0, 0, 0, 0.2);
  [data-theme="dark"] & {
    box-shadow: 0 0 2rem 0 hsl(from var(--bg-color) h s calc(l - 15) / 0.4);
  }
}

.breadcrumb-nav {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: -0.025em;

  a {
    color: var(--text-color);
    text-decoration: none;
    transition: background-color 0.1s;

    &:hover {
      background-color: var(--accent-color);
      color: #000000;
    }
  }
}

.separator,
.active-crumb {
  color: var(--dim-text);
}

.header-actions {
  display: grid;
  grid-auto-flow: column;
  gap: 0.5rem;
  align-items: center;
}

/* Main Split-Pane */
.split-pane {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  height: 100%;

  .preview-hidden & {
    grid-template-columns: 1fr;
  }
}

#left-column {
  grid-column: span 3 / span 3;
  padding: 3rem;
  position: relative;
  padding-bottom: 16rem;
  border-right: var(--border-width) solid var(--border-color);
  background: var(--bg-color);
  z-index: 10;

  .preview-hidden & {
    grid-column: 1 / -1;
  }
}

.content-wrapper {
  max-width: 70ch;
  margin: 0 auto;
}

.lesson-header-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  border-bottom: 4px solid var(--border-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  gap: 1.5rem;
}

.lesson-title {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--text-color);
}

.lesson-tags {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0.5rem;
  align-items: center;
}

h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.lesson-summary-card {
  border: var(--border-width) dashed var(--border-color);
  padding: 1rem 1.5rem;
  margin-bottom: 2.5rem;
  font-family: "Newsreader", serif;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--dim-text);
  opacity: 0.9;

  [data-theme="dark"] & {
    background: rgba(235, 219, 178, 0.05);
  }

  .math {
    font-family: initial;
    font-size: 1em;
  }

  .summary-block {
    display: block !important;

    strong {
      color: var(--dim-text-strong);
      font-weight: 700;
    }
  }
}

#right-column {
  grid-column: span 2 / span 2;
  background: var(--secondary-bg);
  display: grid;
  place-items: center;
  padding: 0 3rem;
  position: fixed;
  top: 3rem;
  right: 0;
  width: 40%;
  height: calc(100vh - 3rem);
  border-left: var(--border-width) solid var(--border-color);

  .preview-hidden & {
    display: none;
  }
}

#image-container {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  box-shadow: var(--long-shadow-offset) var(--long-shadow-offset) 0px 0px
    var(--shadow-color);
  border: var(--border-width) solid var(--border-color);
  background: var(--card-bg);
  display: grid;
  place-items: center;

  img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    object-fit: contain;
  }
}

/* Neo-Brutalist Containers */
.brutal-card {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--short-shadow-offset) var(--short-shadow-offset) 0px 0px
    var(--shadow-color);
  padding: 1rem;
  margin-bottom: 1.5rem;

  &.dir-card {
    background: #22d3ee;
    color: #000000;

    [data-theme="dark"] & {
      background: #8ec07c;
      color: #282828;
    }
  }
}

.brutal-button {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  box-shadow: 2px 2px 0px 0px var(--shadow-color);
  padding: 0.5rem 1rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 14px;
  color: var(--text-color);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  gap: 0.5rem;

  &:hover {
    background: var(--secondary-bg);
  }

  &.icon {
    padding: 0;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
  }

  &.active,
  &:active {
    background: var(--accent-color);
    color: #000000;
    box-shadow: 0px 0px 0px 0px var(--shadow-color);
    transform: translate(2px, 2px);
  }

  &.preview-toggle {
    background-color: #22d3ee;
    color: #000000;
  }
}

/* Highlights */
.highlight-box {
  position: absolute;
  border: var(--border-width) solid var(--border-color);
  background-color: var(--highlight-yellow);
  pointer-events: none;
  display: none;
}

.all-boxes-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.all-boxes-overlay .box-highlight {
  position: absolute;
  background-color: rgba(128, 128, 128, 0.2);
  border: 1px solid rgba(128, 128, 128, 0.3);
  transition:
    background-color 0.1s ease,
    border-color 0.1s ease;
}

.all-boxes-overlay .box-highlight:hover {
  background-color: rgba(128, 128, 128, 0.45);
  border-color: rgba(128, 128, 128, 0.6);
}

.inspector-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  z-index: 200;
}

.inspector-selection {
  position: absolute;
  border: 2px dashed #000;
  background: rgba(0, 0, 0, 0.1);
  pointer-events: none;
  display: none;

  [data-theme="dark"] & {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }
}

.preview-hidden #toggle-inspect {
  display: none;
}

/* Lens */
#lens-container {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 40%; /* Matches left column (3/5) */
  z-index: 50;
  display: none; /* Becomes flex via JS */
  justify-content: center;
  pointer-events: none;

  .preview-hidden & {
    right: 0;
  }
}

body.lens-hidden #lens-container {
  display: none !important;
}

#lens-scaler {
  border: var(--border-width) solid var(--border-color);
  border-bottom: none;

  box-shadow: var(--long-shadow-offset) var(--long-shadow-offset) 0px 0px
    var(--shadow-color);
  background: var(--card-bg);
  overflow: hidden;
  position: relative;
  max-width: 52rem;
}

#lens-image {
  position: absolute;
  max-width: none;
  transform-origin: top left;
}

/* Semantic Blocks */
.theorem,
.lemma,
.definition,
.proposition,
.corollary,
.dim,
.fact {
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  box-shadow: 4px 4px 0px 0px var(--shadow-color);
  padding: 0 1rem;
  margin: 1.5rem 0;
  color: var(--block-text);

  &:hover {
    em {
      text-shadow: 0 0 3px hsl(from var(--card-bg) h s calc(l - 40));
    }
  }
}

.theorem,
.proposition {
  --card-bg: var(--theorem-bg);
}
.lemma {
  --card-bg: var(--lemma-bg);
}
.definition {
  --card-bg: var(--definition-bg);
}
.corollary {
  --card-bg: var(--corollary-bg);
}
.dim {
  --card-bg: var(--dim-bg);
}
.fact {
  --card-bg: var(--fact-bg);
}

/* Spoiler / Details Block */
.spoiler {
  display: inline;
}

.spoiler > .spoiler-summary {
  display: inline;
  cursor: pointer;
  color: var(--text-color);
  font-weight: 500;
  outline: none;
  padding: 0 0.25rem;
  margin: 0;

  background-color: rgba(128, 128, 128, 0.125);
  border-radius: 0.25rem;
}

.spoiler > .spoiler-summary > .spoiler-icon {
  display: inline-flex;
  align-items: center;
  margin-right: 0.35rem;
  vertical-align: middle;
  color: var(--text-color-weak);
}

.spoiler > .spoiler-summary > .spoiler-icon svg {
  width: 13px;
  height: 13px;
  stroke-width: 2.2px;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

.spoiler > .spoiler-summary:hover {
  background-color: rgba(128, 128, 128, 0.3);
}

.spoiler > .spoiler-content {
  display: none;
}

.spoiler.open > .spoiler-content {
  display: block;
  padding-left: 0.75rem;
  margin: 0.5rem 0 0.75rem 0.575rem;
  border-left: 3px solid #0003;
}

.lesson-nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px dashed var(--border-color-weak);
}

.lesson-nav-buttons.top {
  margin-top: -0.75rem;
  padding-top: 0;
  border-top: none;
  margin-bottom: 1.25rem;
}

.reword {
  font-family: "Newsreader", serif;
  font-weight: 450;

  margin: 0.75rem 0;
  color: var(--text-color);
  transition: opacity 0.1s ease-in-out;
}

.reword:not([data-ref]) {
  background: repeating-linear-gradient(
    -45deg,
    rgba(219, 234, 254, 0.35),
    rgba(219, 234, 254, 0.35) 5px,
    transparent 5px,
    transparent 15px,
    rgba(219, 234, 254, 0.35) 15px,
    rgba(219, 234, 254, 0.35) 20px
  );
  border: 1px dashed hsla(213, 100%, 78%, 0.35);

  padding: 0 0.5rem;
  margin: 0 -0.5rem;
}

[data-theme="dark"] .reword:not([data-ref]) {
  background: repeating-linear-gradient(
    -45deg,
    rgba(131, 165, 152, 0.15),
    rgba(131, 165, 152, 0.15) 5px,
    transparent 5px,
    transparent 15px,
    rgba(131, 165, 152, 0.15) 15px,
    rgba(131, 165, 152, 0.15) 20px
  );

  border: 1px dashed hsla(157, 16%, 60%, 0.35);
}

:is(.theorem, .lemma, .definition, .proposition, .corollary, .dim, .fact)
  .reword:not([data-ref]) {
  padding: 0.5rem 1rem;
  margin: 0 -1rem;

  --stripe-color: oklch(
    from var(--card-bg) calc(l - 0.03) calc(c + 0.015) h / 0.66
  );
  background: repeating-linear-gradient(
    -45deg,
    var(--stripe-color, #0003),
    var(--stripe-color, #0003) 5px,
    transparent 5px,
    transparent 15px,
    var(--stripe-color, #0003) 15px,
    var(--stripe-color, #0003) 20px
  );

  border-top: 1px dashed
    oklch(from var(--card-bg) calc(l - 0.1) calc(c + 0.02) h);
  border-bottom: 1px dashed
    oklch(from var(--card-bg) calc(l - 0.1) calc(c + 0.02) h);

  [data-theme="dark"] & {
    --stripe-color: oklch(from var(--card-bg) calc(l - 0.03) calc(c + 0.02) h);
  }
}

:is(.theorem, .lemma, .definition, .proposition, .corollary, .dim, .fact):has(
  + .dim
) {
  margin-bottom: 0 !important;
}

:is(.theorem, .lemma, .definition, .proposition, .corollary, .dim, .fact)
  + .dim {
  margin-top: -2px !important;
}

strong {
  font-weight: 600;
  color: var(--strong-text);
}

.box-text {
  cursor: crosshair;
  color: var(--dim-text);
  border-radius: 0.35rem;
  background: #00000018;

  opacity: 0.5;
  font-size: 15px;
  line-height: 1.75;
  font-weight: 500;
  margin: 1rem 0;
  padding: 0.125rem 0.35rem;

  [data-theme="dark"] & {
    opacity: 0.8;
    color: #cbd5e1;
    background: #ffffff18;
  }

  &:hover {
    background: var(--accent-color);
    opacity: 1;
    color: #000000;

    .katex {
      color: #000000;
    }
  }

  &.box-highlight-green {
    background: var(--highlight-green);
    opacity: 1;

    .katex {
      color: #000000;
    }

    [data-theme="dark"] & {
      color: #000000;
    }
  }
}

.inline-image-crop {
  opacity: 1;
  border-color: var(--border-color-weak);
  border-width: 2px;
  border-style: solid;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  margin: 1rem auto;
  max-width: 100%;
  max-height: 50vh;
  border-radius: 0.25rem;
  overflow: hidden;
  position: relative;
  background-color: #f3f4f6;

  [data-theme="dark"] & {
    background-color: #1f2937;
    box-shadow: 0 4px 6px -1px hsl(from var(--bg-color) h s calc(l - 15) / 0.4);
  }

  img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
  }
}

/* Math */
.katex {
  font-size: 1em;

  [data-theme="dark"] & {
    color: var(--text-color);
  }

  .katex-display {
    margin: 0.5em 0;
  }
}

/* Utility */
.hidden {
  display: none;
}

.transcription-hidden .box-text {
  display: none !important;
}

.reword-paragraph {
  margin: 0.5rem 0;
}

#reword-focus-indicator {
  position: absolute;
  width: 32px;
  height: 32px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  box-shadow: 2px 2px 0px var(--shadow-color);
  border-radius: 4px;
  z-index: 100;
  pointer-events: none;
  transition:
    top 0.1s ease-in-out,
    left 0.1s ease-in-out;
}

[data-theme="dark"] #reword-focus-indicator {
  color: var(--text-color);
  background: var(--card-bg);
  border-color: var(--border-color-weak);
  box-shadow: none;
}

#reword-focus-indicator.visible {
  display: inline-flex;
}

.faded-reading-element {
  opacity: 0.05 !important;
}

.focused-reading-element {
  opacity: 1 !important;
}

.reword-paragraph,
li,
.theorem,
.lemma,
.definition,
.proposition,
.corollary,
.dim,
.fact,
.inline-image-crop,
.box-text {
  transition: opacity 0.15s ease-out;
}

/* Dashboard Styles (Compact) */
.dashboard-body.compact-mode {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100vh;
}

.compact-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--card-bg);
  border-bottom: 2px solid var(--border-color);
  flex-shrink: 0;
  z-index: 100;
}

.header-left {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  align-items: center;
  gap: 1.5rem;
}

.compact-title {
  font-size: 1.25rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0;
}

.compact-nav {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--dim-text);
  display: grid;
  grid-auto-flow: column;
  align-items: center;
  gap: 0.5rem;

  a {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-color);
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    box-shadow: 2px 2px 0px var(--shadow-color);
    transition: all 0.1s;

    &:hover {
      transform: translate(-1px, -1px);
      box-shadow: 3px 3px 0px var(--shadow-color);
      background: var(--accent-color);
    }

    &:active {
      transform: translate(1px, 1px);
      box-shadow: 0px 0px 0px var(--shadow-color);
    }
  }
}

.compact-button {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--text-color);
  transition: all 0.1s;

  &:hover {
    background: var(--secondary-bg);
  }
}

.compact-main {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  background: var(--bg-color);
}

.entries-list {
  max-width: 64rem;
  margin: 0 auto;
  display: grid;
}

.entry-item {
  position: relative;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem 0.75rem 0.75rem;
  background: var(--card-bg);
  border: var(--border-width) solid var(--border-color);
  box-shadow: 4px 4px 0px var(--shadow-color);
  text-decoration: none;
  color: var(--text-color);
  gap: 0.5rem;

  &:not(:last-child) {
    border-bottom: none;
  }

  &:hover {
    background: var(--card-bg-hover);
  }

  &.is-dir {
    --card-bg: #e0f2fe;
    --card-bg-hover: hsl(204, 75%, 90%);
    [data-theme="dark"] & {
      --card-bg: #344c4a;
      --card-bg-hover: hsl(173, 16%, 30%);
      color: #ebdbb2;
    }
  }

  &.is-file {
    --card-bg: #fefce8;
    --card-bg-hover: hsl(58, 75%, 90%);
    [data-theme="dark"] & {
      --card-bg: #4a3434;
      --card-bg-hover: hsl(0, 16%, 30%);
      color: #fbf1c7;
    }
  }
}

.entry-link-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.entry-icon {
  color: var(--dim-text);
  display: flex;
}

.entry-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.entry-header-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
}

.entry-tags {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 0.5rem;
  align-items: center;
}

.tag-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  background: var(--accent-color);
  color: #000000;
  box-shadow: 1px 1px 0px var(--shadow-color);
  line-height: 1;
}

.entry-name {
  font-weight: 700;
  font-size: 1.15rem;
}

.entry-meta {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  opacity: 0.5;
  margin-top: 0.25rem;
}

.entry-summary {
  font-family: "Newsreader", serif;
  font-weight: 425;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text-dim-mid);
  margin-top: 0.25rem;

  .math {
    font-family: initial;
    font-size: 0.95em;
  }

  .summary-block {
    display: block !important;

    strong {
      color: var(--text-dim-strong);
      font-weight: 650;
    }
  }
}

.entry-counter {
  position: relative;
  z-index: 2;
  cursor: default;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 0.2rem;
  box-shadow: 2px 2px 0px var(--shadow-color);
  transition: all 0.1s;

  min-height: 3rem;

  &:not(:hover) {
    background: rgb(from var(--card-bg) r g b / 0.2);
    border-color: rgb(from var(--border-color) r g b / 0.2);
    box-shadow: 2px 2px 0px rgb(from var(--shadow-color) r g b / 0.2);

    > .counter-btn {
      opacity: 0;
    }
  }
}

.counter-btn {
  background: transparent;
  border: none;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-color);
  transition: all 0.1s;

  &:hover {
    background: var(--secondary-bg);
  }

  &:active {
    background: var(--accent-color);
    transform: translate(1px, 1px);
  }
}

.counter-value {
  font-family: "Inria Sans", sans-serif;
  font-weight: 700;
  font-size: 17px;
  min-width: 2ch;
  text-align: center;
  transition: all 0.1s;
  width: 1.5rem;
  height: 1.5rem;
  display: grid;
  place-content: center;
}

.entry-action {
  display: none;
}

.compact-footer {
  padding: 0.75rem 1.5rem;
  background: var(--secondary-bg);
  border-top: 1px solid var(--border-color);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  color: var(--dim-text);
  letter-spacing: 0.05em;
}

/* Search Page Styles */
.search-main {
  max-width: 100%;
  padding: 2rem 1.5rem;

  .search-container {
    margin: 0 auto;
    width: 100%;
  }

  .search-input-wrapper {
    position: relative;
    width: 100%;
    max-width: 650px;
    margin: 0 auto 1.5rem auto;

    .search-icon {
      position: absolute;
      left: 1.25rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--dim-text);
      pointer-events: none;
      display: grid;
      z-index: 100;
      transition: transform 0.1s ease;
    }

    &:has(.search-input:focus) .search-icon {
      transform: translateY(-50%) translate(-2px, -2px);
    }
  }

  .search-input {
    width: 100%;
    padding: 0.9rem 1.5rem 0.9rem 3rem;
    font-size: 1.2rem;
    font-family: inherit;
    font-weight: 500;
    border: var(--border-width) solid var(--border-color);
    box-shadow: var(--short-shadow-offset) var(--short-shadow-offset) 0px 0px
      var(--shadow-color);
    background: var(--card-bg);
    color: var(--text-color);
    outline: none;
    transition: all 0.1s ease;

    &:focus {
      transform: translate(-2px, -2px);
      box-shadow: 6px 6px 0px 0px var(--shadow-color);
    }
  }

  .search-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
  }

  .filter-pill {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: 2px 2px 0px var(--shadow-color);
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.1s ease;
    display: inline-grid;
    align-items: center;

    &:hover {
      background: var(--secondary-bg);
    }

    &.active {
      background: var(--accent-color);
      color: #000000;
      transform: translate(1px, 1px);
      box-shadow: 1px 1px 0px var(--shadow-color);
    }
  }

  .search-stats {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dim-text);
    margin-bottom: 2rem;
  }

  /* CSS Grid Masonry Lanes - DO NOT REMOVE OR CHANGE.
     This handles masonry layout compatibility for different browser engines:
     - 'display: grid' + 'grid-template-rows: masonry' for Firefox
     - 'display: grid-lanes' for Chromium experimental feature variants */
  .search-results-grid {
    display: grid;
    display: grid-lanes;
    grid-template-rows: masonry;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    grid-gap: 20px;
    width: 100%;
  }

  .search-card {
    all: unset;
    color: inherit;
    text-decoration: none;
    box-sizing: border-box;
    border: var(--border-width) solid var(--border-color);
    box-shadow: 4px 4px 0px var(--shadow-color);
    overflow: hidden;
    transition: all 0.15s ease;
    cursor: pointer;
    display: grid;
    grid-template-rows: 1fr;
    min-width: 0;

    &:hover {
      transform: translate(-3px, -3px);
      box-shadow: 7px 7px 0px var(--shadow-color);
    }

    /* Type specific background colors for cards */
    &[data-type="theorem"],
    &[data-type="proposition"] {
      --card-bg: var(--theorem-bg);
      background-color: var(--card-bg);
    }
    &[data-type="lemma"] {
      --card-bg: var(--lemma-bg);
      background-color: var(--card-bg);
    }
    &[data-type="definition"] {
      --card-bg: var(--definition-bg);
      background-color: var(--card-bg);
    }
    &[data-type="corollary"] {
      --card-bg: var(--corollary-bg);
      background-color: var(--card-bg);
    }
    &[data-type="fact"] {
      --card-bg: var(--fact-bg);
      background-color: var(--card-bg);
    }
  }

  .card-content {
    padding: 0.5rem 0.75rem 0.75rem 0.75rem;
    display: grid;
    grid-template-rows: auto 1fr auto;
    height: 100%;
  }

  .card-header {
    display: grid;
    grid-template-columns: auto auto;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
  }

  .card-type-badge {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.12rem 0.3rem;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    box-shadow: 2px 2px 0px 0px var(--shadow-color);
    background: var(--card-bg);
    color: var(--text-color);
    margin: 0;
  }

  .card-date {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--dim-text);
    opacity: 0.7;
  }

  .card-body {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--block-text);
    overflow-wrap: break-word;
    word-wrap: break-word;
    min-width: 0;

    /* Override inner block styles inside search results to prevent double borders/shadows */
    .theorem,
    .lemma,
    .definition,
    .proposition,
    .corollary,
    .fact {
      background: transparent !important;
      border: none !important;
      box-shadow: none !important;
      padding: 0 !important;
      margin: 0 !important;
      color: inherit !important;
    }

    .reword {
      margin: 0.25rem 0 0 0 !important;
      padding: 0 !important;
      background: transparent !important;
      border: none !important;
    }

    .box-text {
      display: none !important;
    }

    .math {
      display: inline-block;
      max-width: 100%;
      overflow-x: auto;
      vertical-align: middle;
    }
  }

  .card-footer {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.5rem;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    border-top: 1px dashed var(--border-color-weak);
    padding-top: 0.75rem;
    margin-top: 0.75rem;
  }

  .card-course {
    color: var(--text-color);
    font-weight: 700;
    font-size: 0.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .card-date {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--dim-text);
    opacity: 0.7;
    white-space: nowrap;
  }

  .card-lesson-link {
    color: var(--text-color);
    display: inline-grid;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.15s ease;

    &:hover {
      opacity: 0.8;
    }
  }
}

/* Micro-animations and enhancements for search */
@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-main .search-card {
  animation: cardFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.search-main .filter-pill {
  transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-main .filter-pill:hover:not(.active) {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0px var(--shadow-color);
  background: var(--secondary-bg);
}

#current-image {
  cursor: pointer;
}

/* Full-page Image Modal */
.image-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-y: auto;

  --shadow-color: #0004;
}

.image-modal-container {
  padding: 3rem 2rem;
  min-height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-modal-content-wrapper {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 100%;
}

.image-modal-actions-bar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
  position: sticky;
  top: 3rem;
  z-index: 1001;
}

.image-modal-actions-bar .brutal-button {
  background-color: var(--card-bg);
  color: var(--text-color);
  box-shadow: var(--short-shadow-offset) var(--short-shadow-offset) 0px 0px
    var(--shadow-color);
}

.image-modal-actions-bar .brutal-button.active,
.image-modal-actions-bar .brutal-button:active {
  background: var(--accent-color);
  color: #000000;
  box-shadow: 0px 0px 0px 0px var(--shadow-color);
  transform: translate(2px, 2px);
}

.image-modal-img-wrapper {
  position: relative;
  max-width: 100%;
  border: var(--border-width) solid var(--border-color);
  box-shadow: var(--long-shadow-offset) var(--long-shadow-offset) 0px 0px
    var(--shadow-color);
  background-color: var(--card-bg);
  display: inline-flex;
}

.image-modal-img {
  max-width: 100%;
  height: auto;
  cursor: default;
}

.image-modal-inspector-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: crosshair;
  z-index: 200;
}

.image-modal-inspector-selection {
  position: absolute;
  border: 2px dashed #000;
  background: rgba(0, 0, 0, 0.1);
  pointer-events: none;
  display: none;

  [data-theme="dark"] & {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.1);
  }
}

/* Mobile Enhancements for Search Page */
@media (max-width: 600px) {
  .compact-header {
    padding: 0.5rem 1rem;
  }

  .header-left {
    gap: 0.75rem;
  }

  .compact-title {
    font-size: 1.1rem;
  }

  .compact-nav {
    font-size: 0.7rem;
  }

  .search-main {
    padding: 1.25rem 0.75rem;
  }

  .search-main .search-input-wrapper {
    margin-bottom: 1.25rem;
  }

  .search-main .search-input {
    font-size: 1.1rem;
    padding: 0.8rem 1.25rem 0.8rem 2.5rem;
  }

  .search-main .search-input-wrapper .search-icon {
    left: 0.85rem;
  }

  .search-main .search-filters {
    gap: 0.35rem;
    margin-bottom: 1.25rem;
  }

  .search-main .filter-pill {
    padding: 0.45rem 0.85rem;
    font-size: 0.7rem;
  }

  .search-main .search-stats {
    font-size: 0.7rem;
    margin-bottom: 1.5rem;
  }

  .search-main .search-results-grid {
    grid-template-columns: 1fr;
    grid-gap: 16px;
  }

  .search-main .search-card {
    box-shadow: 3px 3px 0px var(--shadow-color);
  }

  .search-main .search-card:hover {
    transform: none;
    box-shadow: 3px 3px 0px var(--shadow-color);
  }
}