/* Abe Stack University — MIT-inspired guided learning UI */

.uni-page {
  --uni-ink: #0b0b0d;
  --uni-muted: #53565a;        /* MIT gray */
  --uni-line: #d7d9dc;
  --uni-panel: #ffffff;
  --uni-soft: #f2f3f4;
  --uni-accent: #a31f34;       /* MIT red */
  --uni-deep: #750014;         /* MIT dark red */
  --uni-cyan: #8a8b8c;         /* silver-gray secondary */
  --uni-good: #0f7a4d;
  background: #f7f7f8;
  min-height: 100vh;
}

/* Thin MIT-red rule under the header */
.uni-page .site-header {
  border-bottom: 3px solid var(--uni-accent);
}

/* ——— Welcome overlay ——— */
.uni-welcome {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(11, 11, 13, 0.6);
  backdrop-filter: blur(6px);
  animation: uni-fade-in 0.3s ease;
}
.uni-welcome[hidden] { display: none !important; }

@keyframes uni-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes uni-rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

.uni-welcome__card {
  width: min(30rem, 100%);
  background: #fff;
  border-radius: 0.5rem;
  border-top: 6px solid var(--uni-accent);
  padding: 1.9rem 1.75rem 1.6rem;
  box-shadow: 0 30px 70px rgba(11, 11, 13, 0.35);
  animation: uni-rise 0.35s ease;
}

.uni-welcome__brand {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--uni-accent);
  margin-bottom: 0.6rem;
}

.uni-welcome__card h2 {
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--uni-ink);
}

.uni-welcome__lead {
  margin-top: 0.75rem;
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--uni-muted);
}

.uni-welcome__steps {
  list-style: none;
  padding: 0;
  margin: 1.3rem 0 1.5rem;
  display: grid;
  gap: 0.7rem;
}

.uni-welcome__steps li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--uni-ink);
}

.uni-welcome__steps span {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 0.4rem;
  background: var(--uni-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  flex-shrink: 0;
}

.uni-welcome__cta { width: 100%; justify-content: center; }

.uni-welcome__skip {
  display: block;
  width: 100%;
  margin-top: 0.75rem;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--uni-muted);
  cursor: pointer;
  text-align: center;
  padding: 0.5rem;
}
.uni-welcome__skip:hover { color: var(--uni-accent); }

/* ——— Note modal ——— */
.uni-modal {
  position: fixed;
  inset: 0;
  z-index: 85;
  display: flex;
  align-items: stretch;
  justify-content: flex-end;
}
.uni-modal[hidden] { display: none !important; }

.uni-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 11, 13, 0.5);
  animation: uni-fade-in 0.25s ease;
}

.uni-modal__panel {
  position: relative;
  width: min(52rem, 100%);
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px rgba(11, 11, 13, 0.28);
  animation: uni-slide-in 0.3s ease;
}

@keyframes uni-slide-in { from { transform: translateX(24px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.uni-modal__bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--uni-line);
  background: var(--uni-soft);
}

.uni-modal__eyebrow {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--uni-accent);
}

.uni-modal__bar strong {
  font-size: 0.95rem;
  color: var(--uni-ink);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.uni-modal__bar-actions { display: flex; gap: 0.4rem; }

.uni-modal__body {
  overflow-y: auto;
  padding: 1.5rem 1.75rem 3rem;
  -webkit-overflow-scrolling: touch;
}

/* ——— Top ——— */
.uni-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--uni-accent);
}

.uni-kicker::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--uni-accent);
  box-shadow: 0 0 0 3px rgba(163, 31, 52, 0.2);
  animation: uni-pulse 2.4s ease-in-out infinite;
}

@keyframes uni-pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.2); opacity: 0.6; } }

.uni-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--uni-ink);
}
.uni-title--sm { font-size: clamp(1.45rem, 3.2vw, 1.9rem); margin-top: 0.25rem; }

.uni-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.uni-topbar__meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.uni-pill {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--uni-muted);
  background: #fff;
  border: 1px solid var(--uni-line);
  border-radius: 0.4rem;
  padding: 0.4rem 0.75rem;
}
.uni-pill--accent {
  color: #fff;
  border-color: transparent;
  background: var(--uni-accent);
}

/* ——— Tabs ——— */
.uni-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--uni-line);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.uni-tab {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--uni-muted);
  padding: 0.75rem 1.1rem;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.uni-tab:hover { color: var(--uni-ink); }
.uni-tab.is-active {
  color: var(--uni-accent);
  border-bottom-color: var(--uni-accent);
}

.uni-view[hidden] { display: none !important; }

/* ——— Learn: full-width two-column ——— */
.uni-learn-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22rem;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 1040px) {
  .uni-learn-grid { grid-template-columns: 1fr; }
  .uni-rail { order: -1; }
}

.uni-guide { display: grid; gap: 1rem; }

.uni-guide__where {
  background: #fff;
  border: 1px solid var(--uni-line);
  border-left: 5px solid var(--uni-accent);
  border-radius: 0.5rem;
  padding: 1.25rem 1.4rem;
}

.uni-guide__eyebrow {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--uni-accent);
}

.uni-guide__where h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 0.35rem;
  color: var(--uni-ink);
}

.uni-guide__where p {
  margin-top: 0.4rem;
  font-size: 0.95rem;
  color: var(--uni-muted);
  line-height: 1.5;
}

.uni-guide__progress {
  margin-top: 0.95rem;
  height: 0.45rem;
  background: var(--uni-soft);
  border-radius: 999px;
  overflow: hidden;
}
.uni-guide__progress > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--uni-deep), var(--uni-accent));
  border-radius: 999px;
  transition: width 0.35s ease;
}

.uni-guide__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--uni-muted);
}

.uni-guide__tip {
  font-size: 0.86rem;
  color: var(--uni-muted);
  background: #fff;
  border: 1px solid var(--uni-line);
  border-left: 4px solid var(--uni-cyan);
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 0.8rem 1rem;
  line-height: 1.5;
}
.uni-guide__tip strong { color: var(--uni-ink); }

.uni-step {
  background: #fff;
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  padding: 1.1rem 1.25rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.uni-step.is-active {
  border-color: var(--uni-accent);
  box-shadow: 0 0 0 3px rgba(163, 31, 52, 0.1);
}

.uni-step.is-done { opacity: 0.7; }

.uni-step__head { display: flex; align-items: flex-start; gap: 0.8rem; }

.uni-step__num {
  width: 2rem;
  height: 2rem;
  border-radius: 0.4rem;
  background: var(--uni-soft);
  color: var(--uni-muted);
  font-size: 0.85rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.uni-step.is-active .uni-step__num { background: var(--uni-accent); color: #fff; }
.uni-step.is-done .uni-step__num { background: var(--uni-good); color: #fff; }

.uni-step__type {
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--uni-muted);
}

.uni-step__title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--uni-ink);
  margin-top: 0.1rem;
  line-height: 1.3;
}

.uni-step__body { margin-top: 0.9rem; padding-left: 2.8rem; }
@media (max-width: 520px) { .uni-step__body { padding-left: 0; } }

.uni-step__hint {
  font-size: 0.9rem;
  color: var(--uni-muted);
  line-height: 1.5;
  margin-bottom: 0.9rem;
}

.uni-step__actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }

.uni-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--uni-accent);
  background: #fff;
  border: 1px solid var(--uni-accent);
  padding: 0.5rem 0.9rem;
  border-radius: 0.4rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.uni-link:hover { background: var(--uni-accent); color: #fff; }

.uni-link--note {
  color: var(--uni-ink);
  border-color: var(--uni-line);
  background: var(--uni-soft);
}
.uni-link--note:hover { background: #e6e7e9; color: var(--uni-ink); }

.uni-link--plain {
  color: var(--uni-muted);
  background: var(--uni-soft);
  border-color: var(--uni-line);
  cursor: default;
}
.uni-link--plain:hover { background: var(--uni-soft); color: var(--uni-muted); }

.uni-guide__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
}

/* ——— Side rail ——— */
.uni-rail {
  position: sticky;
  top: 5rem;
  display: grid;
  gap: 1rem;
}
@media (max-width: 1040px) { .uni-rail { position: static; } }

.uni-rail__card {
  background: #fff;
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  padding: 1.1rem 1.2rem;
}

.uni-rail__title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uni-muted);
  margin-bottom: 0.75rem;
}

.uni-rail__sessions { display: grid; gap: 0.4rem; }

.uni-rail__session {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  text-align: left;
  border: 1px solid var(--uni-line);
  background: #fff;
  border-radius: 0.45rem;
  padding: 0.6rem 0.7rem;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.uni-rail__session:hover { border-color: var(--uni-accent); }
.uni-rail__session.is-active { background: rgba(163, 31, 52, 0.06); border-color: var(--uni-accent); }

.uni-rail__badge {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.35rem;
  background: var(--uni-soft);
  color: var(--uni-muted);
  font-size: 0.75rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.uni-rail__session.is-active .uni-rail__badge { background: var(--uni-accent); color: #fff; }
.uni-rail__session.is-complete .uni-rail__badge { background: var(--uni-good); color: #fff; }

.uni-rail__stext { font-size: 0.82rem; font-weight: 650; color: var(--uni-ink); line-height: 1.3; }
.uni-rail__smeta { font-size: 0.72rem; color: var(--uni-muted); }

.uni-rail__quick { display: grid; gap: 0.4rem; }
.uni-rail__quick button {
  border: 1px solid var(--uni-line);
  background: #fff;
  border-radius: 0.45rem;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--uni-ink);
  text-align: left;
  cursor: pointer;
}
.uni-rail__quick button:hover { border-color: var(--uni-accent); color: var(--uni-accent); }

/* ——— Shared panels ——— */
.uni-panel {
  border: 1px solid var(--uni-line);
  background: var(--uni-panel);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

.uni-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.uni-panel__title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--uni-ink);
}

.uni-panel__sub { font-size: 0.85rem; color: var(--uni-muted); margin-top: 0.2rem; }

.uni-phase-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }

.uni-chip {
  border: 1px solid var(--uni-line);
  background: #fff;
  color: var(--uni-muted);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  padding: 0.45rem 0.8rem;
  border-radius: 0.4rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.uni-chip:hover { border-color: #b7babe; color: var(--uni-ink); }
.uni-chip.is-active {
  color: #fff;
  border-color: transparent;
  background: var(--phase-color, var(--uni-accent));
}

.uni-week-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3rem, 1fr));
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.uni-week {
  aspect-ratio: 1;
  border: 1px solid var(--uni-line);
  background: #fff;
  border-radius: 0.4rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--uni-muted);
  cursor: pointer;
  position: relative;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}
.uni-week:hover { transform: translateY(-1px); border-color: #94a3b8; }
.uni-week.is-active { background: var(--phase-color, var(--uni-accent)); border-color: transparent; color: #fff; }
.uni-week.is-done::after {
  content: "";
  position: absolute;
  top: 0.28rem;
  right: 0.28rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--uni-good);
}

.uni-session {
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: #fff;
}

.uni-session__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.uni-session__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.35rem;
  background: var(--uni-soft);
  font-size: 0.75rem;
  font-weight: 800;
  margin-right: 0.45rem;
}

.uni-session__mins { font-size: 0.75rem; color: var(--uni-muted); font-weight: 600; }

.uni-links { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.5rem 0 0.75rem; }

.uni-todo { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }

.uni-todo li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.875rem;
  color: var(--uni-ink);
  line-height: 1.45;
}

.uni-todo input { margin-top: 0.2rem; width: 1rem; height: 1rem; accent-color: var(--uni-accent); flex-shrink: 0; }
.uni-todo li.is-checked span { text-decoration: line-through; color: var(--uni-muted); }

.uni-meta-box {
  font-size: 0.85rem;
  color: var(--uni-muted);
  background: var(--uni-soft);
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  margin-top: 0.5rem;
}
.uni-meta-box strong { color: var(--uni-ink); font-weight: 700; }

.uni-practice-nav { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.85rem; }
.uni-practice-pane[hidden] { display: none !important; }

.uni-lab-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 800px) { .uni-lab-grid { grid-template-columns: 1fr; } }

.uni-lab-card h3 { font-size: 1rem; font-weight: 800; margin-bottom: 0.25rem; }
.uni-lab-card > p { font-size: 0.85rem; color: var(--uni-muted); margin-bottom: 0.75rem; }

.uni-canvas-wrap {
  position: relative;
  border-radius: 0.5rem;
  overflow: hidden;
  background: radial-gradient(circle at center, rgba(163, 31, 52, 0.08), transparent 60%), #0b0b0d;
  border: 1px solid #2a2a2e;
}
.uni-canvas-wrap canvas { display: block; width: 100%; height: auto; cursor: crosshair; touch-action: none; }

.uni-lab-readout { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; margin-top: 0.75rem; font-size: 0.78rem; }
.uni-lab-readout div { background: var(--uni-soft); border-radius: 0.45rem; padding: 0.55rem 0.65rem; }
.uni-lab-readout strong { display: block; font-size: 0.95rem; color: var(--uni-ink); font-variant-numeric: tabular-nums; }

.uni-controls { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-top: 0.75rem; }
.uni-controls label { font-size: 0.78rem; font-weight: 600; color: var(--uni-muted); display: flex; align-items: center; gap: 0.4rem; }
.uni-controls input[type="range"] { width: 7rem; accent-color: var(--uni-accent); }

.uni-btn {
  border: 1px solid var(--uni-line);
  background: #fff;
  color: var(--uni-ink);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.5rem 0.9rem;
  border-radius: 0.4rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}
.uni-btn:hover { border-color: #94a3b8; }
.uni-btn--primary { background: var(--uni-accent); color: #fff; border-color: transparent; }
.uni-btn--primary:hover { background: var(--uni-deep); }
.uni-btn--good { background: var(--uni-good); color: #fff; border-color: transparent; }
.uni-btn--good:hover { filter: brightness(1.05); }
.uni-btn--ghost { background: transparent; }

.uni-gd-plot {
  height: 12rem;
  border-radius: 0.5rem;
  background: #0b0b0d;
  border: 1px solid #2a2a2e;
  position: relative;
  overflow: hidden;
}
.uni-gd-plot canvas { width: 100%; height: 100%; display: block; }

.uni-flash { perspective: 1000px; min-height: 14rem; }
.uni-flash__inner {
  position: relative;
  width: 100%;
  min-height: 14rem;
  transform-style: preserve-3d;
  transition: transform 0.45s ease;
  cursor: pointer;
}
.uni-flash__inner.is-flipped { transform: rotateY(180deg); }
.uni-flash__face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}
.uni-flash__face--back { transform: rotateY(180deg); background: linear-gradient(160deg, #fbeef0, #fff); }
.uni-flash__hint { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--uni-muted); margin-bottom: 0.75rem; }
.uni-flash__text { font-size: 1.15rem; font-weight: 700; line-height: 1.45; color: var(--uni-ink); max-width: 32rem; }

.uni-resource-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 0.65rem; }
.uni-resource {
  display: block;
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease, transform 0.12s ease;
}
.uni-resource:hover { border-color: var(--uni-accent); transform: translateY(-1px); }
.uni-resource__cat { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--uni-accent); }
.uni-resource__title { font-size: 0.9rem; font-weight: 700; margin-top: 0.25rem; color: var(--uni-ink); }
.uni-resource__src { font-size: 0.75rem; color: var(--uni-muted); margin-top: 0.2rem; }

.uni-notes textarea {
  width: 100%;
  min-height: 16rem;
  border: 1px solid var(--uni-line);
  border-radius: 0.5rem;
  padding: 0.9rem 1rem;
  font: inherit;
  font-size: 0.9rem;
  line-height: 1.55;
  resize: vertical;
  background: #fff;
}
.uni-notes textarea:focus { outline: none; border-color: var(--uni-accent); box-shadow: 0 0 0 3px rgba(163, 31, 52, 0.12); }

.uni-timer { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; padding: 1.5rem 1rem; }
.uni-timer__display { font-size: 3rem; font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; color: var(--uni-ink); }
.uni-timer__bar { width: min(18rem, 100%); height: 0.4rem; background: #e2e4e6; border-radius: 999px; overflow: hidden; }
.uni-timer__fill { height: 100%; width: 100%; background: linear-gradient(90deg, var(--uni-deep), var(--uni-accent)); transform-origin: left; transition: transform 0.2s linear; }

.uni-footer-note { font-size: 0.8rem; color: var(--uni-muted); text-align: center; margin-top: 1.5rem; }

/* ——— Markdown rendering inside note modal ——— */
.markdown-body { color: var(--uni-ink); font-size: 0.95rem; line-height: 1.65; }
.markdown-body h1 { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 2px solid var(--uni-accent); }
.markdown-body h2 { font-size: 1.25rem; font-weight: 800; margin: 1.5rem 0 0.6rem; color: var(--uni-ink); }
.markdown-body h3 { font-size: 1.05rem; font-weight: 700; margin: 1.2rem 0 0.5rem; }
.markdown-body p { margin: 0.6rem 0; }
.markdown-body ul, .markdown-body ol { margin: 0.6rem 0; padding-left: 1.4rem; }
.markdown-body li { margin: 0.3rem 0; }
.markdown-body a { color: var(--uni-accent); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.markdown-body a:hover { color: var(--uni-deep); }
.markdown-body code { background: var(--uni-soft); border-radius: 0.3rem; padding: 0.1rem 0.35rem; font-size: 0.85em; font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.markdown-body pre { background: #0b0b0d; color: #f2f3f4; border-radius: 0.5rem; padding: 1rem; overflow-x: auto; margin: 0.8rem 0; }
.markdown-body pre code { background: transparent; padding: 0; color: inherit; }
.markdown-body blockquote { border-left: 4px solid var(--uni-cyan); margin: 0.8rem 0; padding: 0.4rem 0 0.4rem 1rem; color: var(--uni-muted); }
.markdown-body table { width: 100%; border-collapse: collapse; margin: 0.8rem 0; font-size: 0.88rem; }
.markdown-body th, .markdown-body td { border: 1px solid var(--uni-line); padding: 0.5rem 0.7rem; text-align: left; }
.markdown-body th { background: var(--uni-soft); font-weight: 700; }
.markdown-body hr { border: 0; border-top: 1px solid var(--uni-line); margin: 1.5rem 0; }
.markdown-body img { max-width: 100%; border-radius: 0.4rem; }
.uni-note-error { color: var(--uni-accent); font-weight: 600; }