.tt-shell {
  width: min(1280px, calc(100% - 64px));
  margin: 0 auto;
  padding: 24px 0 44px;
}
.tt-transmission {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font: 9px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
}
.signal-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  margin-right: 6px;
  box-shadow: 0 0 8px #78dce060;
}
.tt-intro {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 36px 0 30px;
}
.tt-eyebrow {
  font: 500 9px var(--mono);
  color: var(--accent-ink);
  letter-spacing: 2px;
  margin: 0 0 12px;
}
.tt-intro h1 {
  font: 800 64px/1 var(--display);
  letter-spacing: 0.3px;
  margin: 0 0 14px;
}
.tt-intro h1 span {
  color: var(--accent);
}
.tt-description {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
.term-stamp {
  font: 500 9px var(--mono);
  text-align: right;
  letter-spacing: 3px;
  color: var(--muted);
  border-right: 3px solid var(--accent);
  padding-right: 17px;
}
.term-stamp > span {
  display: block;
  font: 700 47px/1.05 var(--display);
  letter-spacing: 2px;
  color: var(--ink);
  margin: 6px 0;
}
.term-stamp small {
  font: 7px var(--mono);
  letter-spacing: 0.6px;
}
.schedule-toolbar {
  border: 1px solid var(--line);
  background: #131d2b;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 12px 18px;
}
.week-controls {
  display: flex;
  gap: 14px;
  align-items: center;
}
.week-controls label {
  font: 8px var(--mono);
  color: var(--muted);
  letter-spacing: 1px;
  margin-left: 5px;
}
.week-controls select {
  background: #1c2b3d;
  color: var(--ink);
  border: 1px solid #3d5068;
  padding: 8px 24px 8px 12px;
  font: 500 12px var(--mono);
  border-radius: 2px;
  cursor: pointer;
}
.week-controls button {
  background: #1b2939;
  border: 1px solid #35455a;
  color: var(--ink);
  font-size: 18px;
  line-height: 1;
  width: 35px;
  height: 35px;
  transition: background 0.2s;
}
.week-controls button:hover {
  background: #2a4656;
}
.week-summary {
  display: flex;
  align-items: center;
  gap: 15px;
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: var(--muted);
}
#meeting-count {
  color: var(--cyan);
}
.toolbar-divider {
  color: #50627b;
}
.schedule-note {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.8;
  margin: 12px 0 18px;
}
.table-wrapper {
  border: 1px solid var(--line);
  background: #0d1521;
}
.tt-row {
  display: grid;
  grid-template-columns: 94px repeat(5, minmax(0, 1fr));
}
.tt-head {
  background: #131d2b;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 15px 12px;
  text-align: center;
  font: 500 10px var(--mono);
  letter-spacing: 1px;
  color: #aebdcd;
  position: relative;
}
.tt-head > small {
  display: block;
  font: 8px var(--mono);
  letter-spacing: 1px;
  margin-top: 6px;
  color: #91a3ba;
}
.tt-head.today {
  color: var(--cyan);
  background: #172e38;
}
.tt-head.today:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
}
.tt-head.today > small {
  color: #a0cdd3;
}
.tt-time {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: #b3c2d2;
  font: 11px var(--mono);
  background: #111c29;
}
.tt-time small {
  font: 8px var(--mono);
  color: #8193a9;
}
.tt-cell {
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px;
  min-height: 126px;
  min-width: 0;
}
.tt-cell:last-child,
.tt-head:last-child {
  border-right: 0;
}
.tt-row:last-child .tt-cell,
.tt-row:last-child .tt-time {
  border-bottom: 0;
}
.tt-cell.today {
  background: #162b321f;
}
.course-card {
  width: 100%;
  height: 100%;
  border: 1px solid color-mix(in srgb, var(--course-color) 28%, transparent);
  border-left: 3px solid var(--course-color);
  padding: 13px 12px;
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--course-color) 13%, #111925),
    #111925
  );
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition:
    transform 0.2s,
    background 0.2s;
  position: relative;
  border-radius: 2px;
}
.course-card:hover {
  transform: translateY(-2px);
  background: color-mix(in srgb, var(--course-color) 20%, #111925);
}
.course-code {
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: var(--course-color);
}
.course-card strong {
  font: 600 19px/1.15 var(--display);
  letter-spacing: 0.2px;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.course-card .instructor {
  font-size: 9px;
  color: #b3c0cf;
  margin-top: auto;
  padding-top: 5px;
}
.course-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font: 8px var(--mono);
  color: var(--course-color);
  margin-top: 2px;
}
.free-period {
  height: 100%;
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 8px var(--mono);
  letter-spacing: 1px;
  color: #91a3ba;
  background: repeating-linear-gradient(
    135deg,
    transparent,
    transparent 7px,
    #24324522 7px,
    #24324522 8px
  );
}
.now-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: #ff856f;
  z-index: 2;
  pointer-events: none;
  box-shadow: 0 0 5px #ff654f66;
}
.now-line:before {
  content: "";
  position: absolute;
  left: -3px;
  top: -3px;
  background: #ff856f;
  border-radius: 50%;
  height: 7px;
  width: 7px;
}
.schedule-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 14px 0 0;
  color: #91a5b9;
  font: 8px var(--mono);
  letter-spacing: 0.5px;
}
.schedule-bottom p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.today-key {
  display: inline-block;
  border: 1px solid var(--cyan);
  width: 8px;
  height: 8px;
}
.now-key {
  display: inline-block;
  background: #ff856f;
  width: 14px;
  height: 1px;
  margin-left: 18px;
}
.free-key {
  color: #6f879c;
  margin-left: 18px;
}
.course-index {
  margin-top: 35px;
}
.index-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 13px;
}
.index-heading h2 {
  font: 600 23px var(--display);
  letter-spacing: 0.5px;
  margin: 0;
}
.index-heading > span {
  font: 8px var(--mono);
  color: var(--muted);
  letter-spacing: 1px;
}
#course-roster {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding-top: 16px;
}
.roster-item {
  font-size: 10px;
  color: #b2c0cf;
  display: flex;
  align-items: center;
  gap: 8px;
}
.roster-item i {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--course-color);
}
.day-tabs {
  display: none;
}
#courseModal {
  background: #111c2b;
  color: var(--ink);
  border: 1px solid #42556d;
  border-top: 3px solid var(--accent);
  border-radius: 4px;
  padding: 28px;
  width: min(420px, calc(100% - 28px));
  box-shadow: 0 30px 100px #000a;
  max-height: 85dvh;
  overflow: auto;
}
#courseModal::backdrop {
  background: #040811cb;
  backdrop-filter: blur(7px);
}
#courseModal h2 {
  font: 600 34px/1.1 var(--display);
  margin: 25px 0;
}
.modal-close {
  float: right;
  color: #b5c4d5;
  background: none;
  border: 0;
  font-size: 25px;
  padding: 0 5px;
  line-height: 1;
}
#courseModal dl {
  margin: 0;
}
#courseModal dl > div {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
#courseModal dt {
  font: 9px var(--mono);
  color: var(--muted);
  padding-top: 3px;
}
#courseModal dd {
  font-size: 12px;
  margin: 0;
}
.briefing-done,
#math-link {
  display: block;
  background: var(--accent);
  color: #090d16;
  font-size: 11px;
  font-weight: 700;
  border: 0;
  padding: 12px 15px;
  width: 100%;
  margin-top: 24px;
  text-align: center;
  text-decoration: none;
}
#math-link {
  background: #17313d;
  color: var(--cyan);
  border: 1px solid #3e6a78;
  margin-top: 15px;
}
#math-link[hidden] {
  display: none;
}
@media (max-width: 1000px) {
  .tt-cell {
    padding: 5px;
  }
  .course-card {
    padding: 10px 8px;
  }
  .course-card strong {
    font-size: 17px;
  }
  .tt-row {
    grid-template-columns: 78px repeat(5, minmax(0, 1fr));
  }
  .week-summary {
    font-size: 7px;
    gap: 10px;
  }
  .course-card .instructor {
    font-size: 8px;
  }
}
@media (max-width: 700px) {
  .tt-shell {
    width: calc(100% - 36px);
    padding-top: 19px;
  }
  .tt-transmission {
    font-size: 7px;
    letter-spacing: 0.3px;
    gap: 10px;
  }
  #shanghai-clock {
    font-size: 7px;
  }
  .tt-intro {
    padding: 28px 0 26px;
    align-items: start;
  }
  .tt-intro h1 {
    font-size: 42px;
    max-width: 250px;
    line-height: 0.98;
  }
  .tt-intro h1 span {
    display: block;
  }
  .tt-eyebrow {
    font-size: 8px;
    letter-spacing: 1px;
  }
  .tt-description {
    font-size: 11px;
    max-width: 230px;
    line-height: 1.7;
  }
  .term-stamp {
    font-size: 7px;
    padding-right: 10px;
    letter-spacing: 1px;
    margin-top: 20px;
  }
  .term-stamp > span {
    font-size: 32px;
  }
  .term-stamp small {
    display: none;
  }
  .schedule-toolbar {
    padding: 12px;
    flex-wrap: wrap;
    gap: 11px;
  }
  .week-controls {
    gap: 10px;
    width: 100%;
    justify-content: space-between;
  }
  .week-controls label {
    font-size: 7px;
    margin: 0;
  }
  .week-controls select {
    font-size: 11px;
    padding: 8px 10px;
  }
  .week-controls button {
    width: 31px;
    height: 32px;
  }
  .week-summary {
    width: 100%;
    justify-content: space-between;
    font-size: 7px;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--line);
    padding-top: 11px;
  }
  .schedule-note {
    font-size: 9px;
    margin: 12px 0 16px;
  }
  .day-tabs {
    display: flex;
    justify-content: space-between;
    gap: 5px;
    margin-bottom: 10px;
  }
  .day-tabs button {
    background: #141f2e;
    border: 1px solid #2c3b4f;
    color: #9eb0c5;
    padding: 10px 0;
    flex: 1;
    font: 9px var(--mono);
    border-radius: 2px;
  }
  .day-tabs button.active {
    background: #1a343e;
    color: var(--cyan);
    border-color: #5ca2af;
  }
  .day-tabs button.today:after {
    content: "•";
    color: var(--cyan);
    padding-left: 4px;
  }
  .tt-row {
    grid-template-columns: 66px minmax(0, 1fr);
  }
  .tt-head {
    padding: 13px 8px;
    font-size: 9px;
  }
  .tt-head > small {
    font-size: 7px;
  }
  .tt-head[data-day],
  .tt-cell[data-day] {
    display: none;
  }
  .tt-head[data-day].day-visible,
  .tt-cell[data-day].day-visible {
    display: block;
  }
  .tt-cell {
    min-height: 130px;
    padding: 7px;
  }
  .tt-time {
    font-size: 10px;
    gap: 6px;
  }
  .tt-time small {
    font-size: 7px;
  }
  .course-card {
    padding: 12px 14px;
    min-height: 114px;
    gap: 5px;
  }
  .course-card strong {
    font-size: 23px;
  }
  .course-card .instructor {
    font-size: 10px;
  }
  .course-foot {
    font-size: 9px;
  }
  .course-code {
    font-size: 8px;
  }
  .free-period {
    min-height: 114px;
    font-size: 8px;
  }
  .schedule-bottom {
    font-size: 6px;
    letter-spacing: 0;
  }
  .schedule-bottom > span {
    display: none;
  }
  .schedule-bottom p {
    gap: 6px;
  }
  .now-key,
  .free-key {
    margin-left: 10px;
  }
  .index-heading h2 {
    font-size: 21px;
  }
  .index-heading > span {
    font-size: 7px;
  }
  .roster-item {
    font-size: 10px;
  }
  #course-roster {
    gap: 12px 18px;
  }
  .course-index {
    margin-top: 30px;
  }
}
@media (max-width: 360px) {
  .tt-shell {
    width: calc(100% - 24px);
  }
  .tt-intro h1 {
    font-size: 37px;
  }
  .tt-transmission {
    font-size: 6px;
  }
  .term-stamp > span {
    font-size: 28px;
  }
  .week-summary {
    font-size: 6px;
  }
  .tt-description {
    max-width: 200px;
  }
  .course-card strong {
    font-size: 21px;
  }
}