.card-header-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.time-lines {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.time-line {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.15rem 0.45rem;
}

.tl-day {
  flex: 0 0 auto;
  min-width: 3.3rem;
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--color-primary);
}

.tl-range {
  font-size: 0.8rem;
  color: var(--color-text);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.cell-muted {
  color: var(--color-text-muted);
  opacity: 0.8;
}

.course-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--item-color, var(--color-primary));
  box-shadow: 0 0 0 3px rgba(var(--item-color-rgb, var(--rgb-primary)), 0.16);
}

.cell-line {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.4rem;
  min-width: 0;
  text-align: start;
}

.cell-line > i {
  flex: 0 0 auto;
  margin-top: 0.15rem;
  font-size: 0.95rem;
  line-height: 1;
  color: var(--color-text-muted);
  opacity: 0.7;
}

.cell-line-txt {
  min-width: 0;
  overflow-wrap: anywhere;
}

.section-jump {
  display: none;
}

.exam-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-full);
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-dark);
  background: var(--m-surface-2);
  border: 1px solid var(--m-line);
}

@media (min-width: 1024px) {
  :root {
    --d-gutter: clamp(1.25rem, 1.5vw, 2rem);
    --d-gap: clamp(0.9rem, 1.05vw, 1.4rem);
    --d-rail: clamp(304px, 24vw, 400px);
    --d-pad: clamp(1rem, 1.15vw, 1.5rem);
  }

  .page-wrapper > .sidebar {
    width: var(--qs-rail, var(--d-rail));
    position: relative;
  }

  .rail-resizer {
    position: absolute;
    top: 0;
    bottom: 0;
    right: -5px;
    width: 11px;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: col-resize;
    touch-action: none;
    background: none;
    border: 0;
  }

  body.sidebar-right .rail-resizer {
    right: auto;
    left: -5px;
  }

  body.custom-layout .rail-resizer {
    display: none;
  }

  .rail-resizer-grip {
    width: 3px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--color-border-hover);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, height 0.18s ease, background 0.18s ease;
  }

  .rail-resizer:hover .rail-resizer-grip,
  .rail-resizer:focus-visible .rail-resizer-grip,
  body.rail-resizing .rail-resizer-grip {
    opacity: 1;
    height: 76px;
    background: var(--color-primary);
  }

  .rail-resizer:focus-visible {
    outline: none;
  }

  body.rail-resizing {
    -webkit-user-select: none;
    user-select: none;
  }

  body.rail-resizing * {
    cursor: col-resize !important;
  }

  .page-wrapper > .main-content {
    padding: var(--d-gutter);
    gap: var(--d-gap);
    scroll-padding-top: 7rem;
  }

  .page-wrapper .main-header {
    top: calc(var(--d-gutter) * -1);
    margin: calc(var(--d-gutter) * -1) calc(var(--d-gutter) * -1) 0;
    padding: var(--d-gutter) var(--d-gutter) calc(var(--d-gutter) * 0.72);
    gap: 1rem;
  }

  .page-wrapper .main-content.is-scrolled .main-header {
    border-bottom-color: var(--color-border);
    box-shadow: 0 14px 26px -22px rgba(0, 0, 0, 0.95);
  }

  #main-header-title-wrapper {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
  }

  .page-wrapper .main-header h1 {
    font-size: clamp(1.22rem, 0.55vw + 1.08rem, 1.6rem);
    gap: 0.55rem;
    white-space: nowrap;
  }

  .page-wrapper .main-header h1 i {
    font-size: 1.05em;
  }

  .page-wrapper .header-actions {
    gap: 0.45rem;
    flex-wrap: nowrap;
    flex-shrink: 0;
  }

  .page-wrapper .header-actions button {
    height: 38px;
    padding: 0 0.9rem;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    background: var(--m-surface);
    border: 1px solid var(--m-line);
    color: var(--color-text);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform 0.18s ease;
  }

  .page-wrapper .header-actions button i {
    font-size: 1.05rem;
  }

  .page-wrapper .header-actions button:hover {
    background: var(--m-accent-soft);
    border-color: var(--m-accent-line);
    color: var(--color-primary);
    transform: translateY(-1px);
  }

  .page-wrapper #clear-calendar-btn:hover {
    background: rgba(var(--rgb-danger), 0.12);
    border-color: rgba(var(--rgb-danger), 0.38);
    color: var(--color-danger);
  }

  .page-wrapper .schedule-tabs-container {
    padding: 0.35rem;
    border-radius: 15px;
    gap: 0.35rem;
  }

  .page-wrapper .schedule-tab {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-radius: 11px;
  }

  .page-wrapper #add-schedule-btn {
    width: 34px;
    height: 34px;
    border-radius: 11px;
    font-size: 1.15rem;
  }

  body:not(.custom-layout) .page-wrapper [data-block="calendar"] {
    gap: var(--d-gap);
  }

  body:not(.custom-layout) .page-wrapper .calendar-wrapper {
    min-height: clamp(360px, calc(100dvh - 14.5rem), 780px);
  }

  .page-wrapper > .sidebar .sidebar-header {
    padding: var(--d-pad) var(--d-pad) 0.85rem;
    gap: 0.75rem;
  }

  .page-wrapper > .sidebar .sidebar-title-row h2 {
    font-size: 1.12rem;
  }

  .page-wrapper > .sidebar .sidebar-tabs {
    padding: 0 var(--d-pad);
    gap: 0.3rem;
  }

  .page-wrapper > .sidebar .tab-btn {
    padding: 0.62rem 0.4rem;
    font-size: 0.86rem;
    border-radius: 10px 10px 0 0;
  }

  .page-wrapper > .sidebar .tab-content {
    padding: 0.9rem var(--d-pad);
  }

  .page-wrapper > .sidebar #quick-visibility-wrapper {
    padding: 0.8rem var(--d-pad);
  }

  .page-wrapper > .sidebar .sidebar-footer {
    padding: 0.85rem;
  }

  .page-wrapper > .main-content > .layout-block[data-block="calendar"] {
    order: 1;
  }

  .page-wrapper > .main-content > .layout-block[data-block="myschedule"] {
    order: 3;
  }

  .page-wrapper .section-jump {
    order: 2;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    width: 100%;
    padding: 0;
    background: none;
    border: 0;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color var(--transition);
  }

  .page-wrapper .section-jump-rule {
    flex: 1;
    height: 1px;
    background: var(--color-border);
    transition: background var(--transition);
  }

  .page-wrapper .section-jump-label {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    height: 36px;
    padding: 0 1.05rem;
    border-radius: var(--radius-full);
    background: var(--m-surface);
    border: 1px solid var(--m-line);
    font-family: var(--font-title);
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
  }

  .page-wrapper .section-jump-icon {
    font-size: 1.05rem;
    color: var(--color-primary);
  }

  .page-wrapper .section-jump-caret {
    font-size: 0.95rem;
    opacity: 0.75;
    transition: transform 0.18s ease;
  }

  .page-wrapper .section-jump:hover {
    color: var(--color-primary);
  }

  .page-wrapper .section-jump:hover .section-jump-rule {
    background: var(--m-accent-line);
  }

  .page-wrapper .section-jump:hover .section-jump-label {
    background: var(--m-accent-soft);
    border-color: var(--m-accent-line);
  }

  .page-wrapper .section-jump:hover .section-jump-caret {
    transform: translateY(2px);
  }

  .page-wrapper .section-jump.is-up:hover .section-jump-caret {
    transform: translateY(-2px);
  }

  .page-wrapper .my-schedule-container > .empty-state {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--glass-shadow);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
  }

  .page-wrapper .my-schedule-section {
    padding: 0;
  }

  .page-wrapper .my-schedule-section > .card-header-inline {
    margin: 0;
    padding: 0.9rem var(--d-pad);
    gap: 0.7rem 1rem;
  }

  .page-wrapper .card-header-actions {
    gap: 0.7rem;
    min-width: 0;
  }

  .page-wrapper .card-header-actions .section-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    font-size: 1.15rem;
    color: var(--color-primary);
    background: var(--m-accent-soft);
    border: 1px solid var(--m-accent-line);
  }

  .page-wrapper .card-header-actions h3 {
    font-size: 1.12rem;
    font-weight: 700;
    white-space: nowrap;
  }

  .page-wrapper .total-credits-pill {
    padding: 0.3rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--m-accent-soft);
    border-color: var(--m-accent-line);
    white-space: nowrap;
  }

  .page-wrapper .card-header-tools .copy-crn-btn,
  .page-wrapper .card-header-tools .free-courses-btn,
  .page-wrapper .card-header-tools .moad-btn {
    height: 36px;
    padding: 0 0.95rem;
    gap: 0.4rem;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 12px;
  }

  .page-wrapper .card-header-tools .copy-crn-btn,
  .page-wrapper .card-header-tools .free-courses-btn {
    background: var(--m-surface);
    border: 1px solid var(--m-line);
    color: var(--color-text);
    box-shadow: none;
  }

  .page-wrapper .card-header-tools .copy-crn-btn:hover,
  .page-wrapper .card-header-tools .free-courses-btn:hover {
    background: var(--m-accent-soft);
    border-color: var(--m-accent-line);
    color: var(--color-primary);
    transform: translateY(-1px);
  }

  .page-wrapper .card-header-tools .moad-btn {
    box-shadow: 0 8px 18px -10px rgba(var(--rgb-primary), 0.95);
  }

  .page-wrapper .card-header-tools .moad-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px -10px rgba(var(--rgb-primary), 1);
  }

  .page-wrapper .my-schedule-section > .schedule-stats {
    margin: 0;
    padding: 0.72rem var(--d-pad);
    gap: 0.45rem;
    border-top: 1px solid var(--color-border);
  }

  .page-wrapper .my-schedule-section > .credit-slot,
  .page-wrapper .my-schedule-section > .exam-clash-alert {
    margin: 0 var(--d-pad) var(--d-pad);
  }

  .page-wrapper .my-schedule-table-wrapper {
    border-top: 1px solid var(--color-border);
    border-radius: 0;
  }

  .page-wrapper .my-schedule-table {
    table-layout: auto;
    font-size: 0.86rem;
  }

  .page-wrapper .my-schedule-table .col-course {
    width: 21%;
  }

  .page-wrapper .my-schedule-table .col-sec {
    width: 11%;
  }

  .page-wrapper .my-schedule-table .col-instr {
    width: 14%;
  }

  .page-wrapper .my-schedule-table .col-time {
    width: 25%;
  }

  .page-wrapper .my-schedule-table .col-exam {
    width: 9%;
  }

  .page-wrapper .my-schedule-table .col-loc {
    width: 14%;
  }

  .page-wrapper .my-schedule-table .col-hours {
    width: 6%;
  }

  .page-wrapper .my-schedule-table thead th {
    padding: 0.68rem 0.8rem;
    font-size: 0.71rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-align: center;
    line-height: 1.35;
    background: var(--m-surface);
    border-bottom: 1px solid var(--color-border);
  }

  .page-wrapper .my-schedule-table th.th-course,
  .page-wrapper .my-schedule-table th.th-instr,
  .page-wrapper .my-schedule-table th.th-time,
  .page-wrapper .my-schedule-table th.th-loc {
    text-align: start;
  }

  .page-wrapper .my-schedule-table tbody td {
    padding: 0.8rem;
    text-align: center;
    vertical-align: middle;
    overflow-wrap: break-word;
  }

  .page-wrapper .my-schedule-table td.course-cell,
  .page-wrapper .my-schedule-table td.instr-cell,
  .page-wrapper .my-schedule-table td.time-cell,
  .page-wrapper .my-schedule-table td.loc-cell {
    text-align: start;
  }

  .page-wrapper .my-schedule-table th.th-course,
  .page-wrapper .my-schedule-table td.course-cell {
    padding-inline-start: var(--d-pad);
  }

  .page-wrapper .my-schedule-table th.th-hours,
  .page-wrapper .my-schedule-table td.hours-cell {
    padding-inline-end: var(--d-pad);
  }

  .page-wrapper .my-schedule-table .course-cell .course-code {
    display: flex;
    align-items: center;
    gap: 0.42rem;
    font-size: 0.69rem;
    color: var(--item-color, var(--color-primary));
  }

  .page-wrapper .my-schedule-table .course-cell .course-name {
    font-size: 0.88rem;
    line-height: 1.45;
  }

  .page-wrapper .my-schedule-table .course-cell[rowspan]:not([rowspan="1"]),
  .page-wrapper .my-schedule-table .hours-cell[rowspan]:not([rowspan="1"]) {
    background: transparent;
  }

  .page-wrapper .my-schedule-table .course-parts-chip {
    color: var(--item-color, var(--color-primary));
    background: rgba(var(--item-color-rgb, var(--rgb-primary)), 0.12);
    border-color: rgba(var(--item-color-rgb, var(--rgb-primary)), 0.28);
  }

  .page-wrapper .my-schedule-table .sec-cell .section-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.2rem;
    font-family: var(--font-title);
    font-size: 0.92rem;
  }

  .page-wrapper .my-schedule-table .sec-cell .sec-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3.1rem;
    padding: 0.16rem 0.55rem;
    border-radius: 10px;
    background: var(--m-surface-2);
    border: 1px solid var(--m-line);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
  }

  .page-wrapper .my-schedule-table .sec-cell .type-label {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    margin-top: 0.4rem;
    padding: 0.14rem 0.52rem;
    border-radius: var(--radius-full);
    font-size: 0.69rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-primary);
    background: var(--m-accent-soft);
    border: 1px solid var(--m-accent-line);
  }

  .page-wrapper .my-schedule-table .sec-cell .type-label i {
    font-size: 0.9em;
  }

  .page-wrapper .my-schedule-table .instr-cell,
  .page-wrapper .my-schedule-table .loc-cell {
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .page-wrapper .my-schedule-table .hours-value {
    font-size: 1.05rem;
  }

  .page-wrapper .my-schedule-table tbody tr:hover td {
    background: rgba(var(--rgb-primary), 0.04);
  }

  .page-wrapper .my-schedule-table .schedule-row.group-mid > td:not(.course-cell):not(.hours-cell) {
    border-bottom-color: rgba(var(--item-color-rgb, var(--rgb-primary)), 0.22);
  }

  .page-wrapper .my-schedule-table .schedule-row.has-conflict > td:not(.course-cell),
  .page-wrapper .my-schedule-table .schedule-row.has-conflict:hover > td:not(.course-cell) {
    background: rgba(var(--rgb-danger), 0.07);
  }
}

@media (min-width: 1600px) {
  :root {
    --d-gutter: clamp(1.75rem, 1.8vw, 3rem);
    --d-gap: clamp(1.1rem, 1vw, 1.6rem);
    --d-rail: clamp(400px, 20vw, 520px);
    --d-pad: clamp(1.35rem, 1.1vw, 2rem);
  }

  .page-wrapper .my-schedule-table {
    font-size: 0.92rem;
  }

  .page-wrapper .my-schedule-table .col-course {
    width: 24%;
  }

  .page-wrapper .my-schedule-table .col-sec {
    width: 9%;
  }

  .page-wrapper .my-schedule-table .col-instr {
    width: 16%;
  }

  .page-wrapper .my-schedule-table .col-time {
    width: 25%;
  }

  .page-wrapper .my-schedule-table .col-exam {
    width: 6%;
  }

  .page-wrapper .my-schedule-table .col-loc {
    width: 16%;
  }

  .page-wrapper .my-schedule-table .col-hours {
    width: 4%;
  }

  .page-wrapper .my-schedule-table thead th {
    padding: 0.8rem 1rem;
    font-size: 0.76rem;
  }

  .page-wrapper .my-schedule-table tbody td {
    padding: 0.95rem 1rem;
  }

  .page-wrapper .my-schedule-table .course-cell .course-code {
    font-size: 0.74rem;
  }

  .page-wrapper .my-schedule-table .course-cell .course-name {
    font-size: 0.95rem;
  }

  .page-wrapper .my-schedule-table .sec-cell .section-number {
    font-size: 1rem;
  }

  .page-wrapper .my-schedule-table .sec-cell .type-label {
    font-size: 0.74rem;
  }

  .page-wrapper .my-schedule-table .instr-cell,
  .page-wrapper .my-schedule-table .loc-cell {
    font-size: 0.88rem;
  }

  .page-wrapper .my-schedule-table .tl-day {
    min-width: 3.8rem;
    font-size: 0.79rem;
  }

  .page-wrapper .my-schedule-table .tl-range {
    font-size: 0.86rem;
  }

  .page-wrapper .my-schedule-table .hours-value {
    font-size: 1.15rem;
  }

  .page-wrapper .section-jump-label {
    height: 38px;
    font-size: 0.9rem;
  }
}

@media (min-width: 1024px) and (max-width: 1319px) {
  .page-wrapper .header-actions button {
    width: 38px;
    padding: 0;
    justify-content: center;
  }

  .page-wrapper .header-actions button .btn-text {
    display: none;
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .page-wrapper .my-schedule-table {
    font-size: 0.82rem;
  }

  .page-wrapper .my-schedule-table thead th {
    padding: 0.6rem 0.55rem;
    font-size: 0.68rem;
  }

  .page-wrapper .my-schedule-table tbody td {
    padding: 0.7rem 0.55rem;
  }

  .page-wrapper .my-schedule-table .col-course {
    width: 21%;
  }

  .page-wrapper .my-schedule-table .col-sec {
    width: 10%;
  }

  .page-wrapper .my-schedule-table .col-instr {
    width: 13%;
  }

  .page-wrapper .my-schedule-table .col-time {
    width: 27%;
  }

  .page-wrapper .my-schedule-table .col-exam {
    width: 8%;
  }

  .page-wrapper .my-schedule-table .col-loc {
    width: 15%;
  }

  .page-wrapper .my-schedule-table .col-hours {
    width: 6%;
  }

  .page-wrapper .my-schedule-table .tl-day {
    min-width: 0;
    font-size: 0.71rem;
  }

  .page-wrapper .my-schedule-table .tl-range {
    font-size: 0.77rem;
  }

  .page-wrapper .my-schedule-table .instr-cell,
  .page-wrapper .my-schedule-table .loc-cell {
    font-size: 0.78rem;
  }
}

@media (min-width: 600px) and (max-width: 1023px) {
  #mobile-calendar-view .main-content,
  #mobile-my-exams-list,
  #mobile-my-schedule-list,
  #mobile-courses-list {
    max-width: 940px;
    margin-inline: auto;
    width: 100%;
  }

  #mobile-courses-view .sidebar-content-wrapper {
    max-width: 940px;
    margin-inline: auto;
    width: 100%;
  }

  .mobile-exams-header-controls {
    max-width: 940px;
    margin-inline: auto;
    width: 100%;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  #mobile-calendar {
    width: 100% !important;
    min-width: 0 !important;
  }

  .mobile-calendar-scroll-wrapper {
    overflow-x: hidden;
  }

  #mobile-calendar .fc-col-header-cell-cushion {
    font-size: 0.8rem;
  }
}

@media (min-width: 600px) and (max-width: 767px) {
  #mobile-calendar {
    min-width: 850px !important;
  }
}