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

:root {
  --bg: #f4efe6;
  --paper: #fffaf2;
  --paper-strong: #f8efe0;
  --ink: #171411;
  --muted: #65594d;
  --line: #d6c7b1;
  --accent: #cfb87c;
  --accent-strong: #8b6f3d;
  --accent-soft: #f3ead7;
  --black: #0f0c09;
  --gray-soft: #f0ebe4;
  --shadow: 0 18px 40px rgba(15, 12, 9, 0.08);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

html {
  scroll-behavior: smooth;
}

.skip-nav {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 999;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: #fff;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 700;
}

.skip-nav:focus {
  left: 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(234, 218, 196, 0.32) 0%, rgba(244, 239, 230, 0) 22rem),
    var(--bg);
  color: var(--ink);
  font-family: "Roboto", Arial, sans-serif;
}

a {
  color: var(--accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.intro-card h1,
.section-heading h2,
.tracker-card h3,
.dropin-card h3 {
  margin: 0;
}

.dashboard {
  display: grid;
  gap: 1.25rem;
  padding: 1.25rem 0 3rem;
}

.intro-card {
  padding: 1.6rem 1.7rem;
  border: 1px solid rgba(15, 12, 9, 0.08);
  border-radius: var(--radius-xl);
  background: rgba(255, 250, 242, 0.92);
  box-shadow: var(--shadow);
}

.intro-card h1 {
  color: var(--ink);
  font-size: clamp(1.95rem, 4vw, 2.7rem);
  font-family: "Roboto", Arial, sans-serif;
  font-weight: 700;
  line-height: 1.05;
}

.intro-card p {
  max-width: 44rem;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.tab-bar {
  display: flex;
  gap: 0;
  align-items: stretch;
  overflow: auto;
  border: 1px solid rgba(15, 12, 9, 0.12);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: #ffffff;
}

.tab-button {
  padding: 1rem 1.35rem;
  border: 0;
  border-right: 1px solid rgba(15, 12, 9, 0.12);
  border-bottom: 4px solid transparent;
  background: #ffffff;
  color: #403f3f;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.tab-button:hover {
  color: var(--ink);
  background: #faf8f3;
}

.tab-button:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: -2px;
}

.tab-button--active {
  color: var(--ink);
  border-bottom-color: var(--accent);
  background: #fcfaf4;
}

.tab-panel {
  display: none;
  gap: 1.25rem;
}

.tab-panel--active {
  display: grid;
}

.panel {
  padding: 1.5rem;
  border: 1px solid rgba(15, 12, 9, 0.08);
  border-radius: var(--radius-xl);
  background: var(--paper);
  box-shadow: var(--shadow);
}

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

.tracker-card__row span,
.tracker-table th,
.guide-card__block span,
.dropin-card__kicker,
.line-tab {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 800;
}

.section-heading p,
.tracker-table__dependency,
.tracker-card__dependency,
.credit-caption,
.input-inline,
.panel-note,
.guide-card__summary-copy p,
.guide-card__block span,
.resource-link span,
.dropin-card p,
.field span {
  color: var(--muted);
}

.section-heading p,
.tracker-card__dependency,
.panel-note,
.guide-card__summary-copy p,
.resource-link span,
.dropin-card p {
  line-height: 1.65;
}

.section-heading h2 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.08;
}

.section-tabline {
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(15, 12, 9, 0.1);
}

.line-tab {
  color: var(--muted);
}

.line-tab--active {
  color: var(--accent-strong);
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span {
  font-size: 0.92rem;
  font-weight: 700;
}

.field--inline {
  max-width: 20rem;
  margin-bottom: 1.15rem;
}

.field input,
.field select,
.tracker-table input,
.tracker-card input,
.tracker-table select,
.tracker-card select {
  width: 100%;
  padding: 0.88rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fffdf9;
  color: var(--ink);
}

.field input:focus,
.field select:focus,
.tracker-table input:focus,
.tracker-card input:focus,
.tracker-table select:focus,
.tracker-card select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(140, 90, 36, 0.16);
}

.deadline-card strong,
.resource-link strong {
  color: var(--ink);
}

.tracker-shell {
  display: grid;
  gap: 1rem;
}

.tracker-table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(15, 12, 9, 0.08);
  border-radius: var(--radius-lg);
}

.tracker-table {
  width: 100%;
  border-collapse: collapse;
}

.tracker-table th,
.tracker-table td {
  padding: 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(15, 12, 9, 0.08);
}

.tracker-table th {
  background: #efe5d8;
  color: var(--ink);
}

.tracker-table tbody tr:last-child td {
  border-bottom: 0;
}

.tracker-cards {
  display: none;
  gap: 0.9rem;
}

.tracker-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid rgba(15, 12, 9, 0.08);
  border-radius: var(--radius-lg);
  background: #fffdf9;
}

.tracker-card__row {
  display: grid;
  gap: 0.35rem;
}

.status-badge {
  display: inline-flex;
  width: fit-content;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.status-badge--completed {
  background: var(--accent);
  color: var(--black);
}

.status-badge--eligible {
  background: #efe3c8;
  color: var(--black);
}

.status-badge--in-progress {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.status-badge--not-eligible {
  background: #efe9df;
  color: var(--muted);
}

.status-badge--not-started {
  background: var(--gray-soft);
  color: var(--muted);
}

.deadline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.deadline-card,
.guide-card,
.resource-link,
.dropin-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.deadline-card {
  display: grid;
  gap: 0.6rem;
  padding: 1rem;
  background: #fffdf8;
}

.deadline-card--coursework {
  border-color: rgba(207, 184, 124, 0.9);
}

.deadline-card--exam {
  border-color: rgba(207, 184, 124, 0.9);
}

.deadline-card--proposal {
  border-color: rgba(207, 184, 124, 0.9);
}

.deadline-card--defense {
  border-color: rgba(207, 184, 124, 0.9);
}

.deadline-card p,
.deadline-card strong,
.resource-link p {
  margin: 0;
}

.deadline-card p {
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 700;
}

.deadline-card strong {
  display: block;
  color: var(--black);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  line-height: 1.1;
}

.deadline-intro {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.65;
}

.dropin-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-top: 1rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(135deg, #f2e1c9, #fbf5eb);
}

.dropin-card__kicker {
  margin: 0 0 0.35rem;
  color: var(--accent-strong);
}

.dropin-card p {
  margin: 0.45rem 0 0;
}

.dropin-card__inline {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.55rem;
}

.dropin-card__actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.dropin-card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--black);
  color: #fff6ea;
  font-weight: 700;
}

.dropin-card__link:hover {
  text-decoration: none;
  background: #271c12;
}

.panel-note {
  margin: 1rem 0 0;
  font-style: italic;
}

.guide-grid {
  display: grid;
  gap: 0.9rem;
}

.guide-card {
  overflow: hidden;
  background: #fffdf9;
}

.guide-card[open] {
  background: #fff8ef;
}

.guide-card__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  cursor: pointer;
  list-style: none;
}

.guide-card__summary::-webkit-details-marker {
  display: none;
}

.guide-card__summary-copy {
  min-width: 0;
}

.guide-card__summary-copy h3 {
  margin: 0;
}

.guide-card__summary-copy p {
  margin: 0.35rem 0 0;
}

.guide-card__chevron {
  width: 0.8rem;
  height: 0.8rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.guide-card[open] .guide-card__chevron {
  transform: rotate(225deg);
}

.guide-card__content {
  display: grid;
  gap: 0.95rem;
  padding: 0 1rem 1rem;
  border-top: 1px solid rgba(15, 12, 9, 0.08);
}

.guide-card__block {
  display: grid;
  gap: 0.5rem;
}

.guide-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.45rem;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.guide-actions a {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fffdf9;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.resource-link {
  display: grid;
  gap: 0.55rem;
  padding: 1rem;
  background: linear-gradient(180deg, #fffdf8 0%, #f7efe4 100%);
}

.resource-link:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.input-inline {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.input-inline input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.credit-caption {
  margin-top: 0.35rem;
  font-size: 0.84rem;
}

.input-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: var(--black);
}

.site-footer p {
  margin: 0;
  padding: 1.25rem 0 1.5rem;
  color: rgba(247, 239, 228, 0.8);
  line-height: 1.6;
}

@media (max-width: 900px) {
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .deadline-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 1rem, 1120px);
  }

  .panel {
    padding: 1rem;
    border-radius: 20px;
  }

  .intro-card {
    padding: 1.15rem;
  }

  .section-heading,
  .dropin-card {
    flex-direction: column;
    align-items: start;
  }

  .field--inline {
    max-width: none;
  }

  .tracker-table-wrap {
    display: none;
  }

  .tracker-cards {
    display: grid;
  }

  .deadline-grid {
    grid-template-columns: 1fr;
  }

  .dropin-card__link {
    width: 100%;
  }

  .dropin-card__inline,
  .dropin-card__actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
}