/* Shared Apple-style tokens and components. */

:root {
  --primary: #0066cc;
  --primary-focus: #0071e3;
  --ink: #1d1d1f;
  --body-on-dark: #ffffff;
  --ink-muted-80: #333333;
  --ink-muted-48: #6e6e73;
  --hairline: #e0e0e0;
  --canvas: #ffffff;
  --parchment: #f5f5f7;
  --pearl: #fafafc;
  --tile-1: #272729;
  --tile-2: #2a2a2c;
  --black: #000000;
  --on-primary: #ffffff;
  --err: #b54a3a;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", system-ui, sans-serif;
  --wrap: 42rem;
  --wrap-wide: 70rem;
  --radius-sm: 8px;
  --radius-md: 11px;
  --radius-lg: 18px;
  --pill: 9999px;
}

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--font);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.47;
  letter-spacing: -0.374px;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

:focus-visible {
  outline: 2px solid var(--primary-focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3.5rem;
  z-index: 60;
  padding: 0.45rem 0.85rem;
  background: var(--black);
  color: var(--body-on-dark);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip:focus {
  top: 0.6rem;
}

.wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.wrap-wide {
  width: min(100% - 2rem, var(--wrap-wide));
  margin-inline: auto;
}

/* Global nav — sticky, solid black, a bit larger than the old 12px bar */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--black);
  color: var(--body-on-dark);
  min-height: 52px;
}

.site-head .bar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
  min-height: 52px;
  padding: 0.25rem 0;
}

.mark {
  color: var(--body-on-dark);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.22px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.mark:hover {
  color: var(--body-on-dark);
  text-decoration: none;
}

.site-head nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.15rem 1.15rem;
}

.site-head nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.16px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}

.site-head nav a:hover,
.site-head nav a[aria-current="page"] {
  color: var(--body-on-dark);
  text-decoration: none;
}

/* Main */
main {
  flex: 1;
}

.page {
  width: min(100% - 2rem, var(--wrap));
  margin: 0 auto;
  padding: 3rem 0 4.5rem;
}

.tool-page {
  width: min(100% - 2rem, var(--wrap-wide));
  margin: 0 auto;
  padding: 0.85rem 0 2.25rem;
}
.tool-page h1 {
  margin: 0 0 0.2rem;
  font-size: clamp(1.4rem, 2.8vw, 1.7rem);
}
.tool-page .lead {
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  line-height: 1.35;
  max-width: 40rem;
}
.tool-page .kicker {
  margin: 0 0 0.12rem;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(1.75rem, 4vw, 2.125rem);
}

h2 {
  margin: 2.5rem 0 0.6rem;
  font-size: 1.5rem;
}

h3 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.125rem;
}

.lead,
.intro {
  margin: 0 0 1.5rem;
  color: var(--ink-muted-80);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.kicker {
  margin: 0 0 0.35rem;
  color: var(--ink-muted-48);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.12px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  background: var(--primary);
  color: var(--on-primary);
  font-family: inherit;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -0.374px;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn:active {
  transform: scale(0.95);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-plain {
  background: transparent;
  color: var(--primary);
  border: 0;
  min-height: 44px;
  padding: 6px 10px;
  font-size: 14px;
}

.btn-plain[data-kind="danger"],
.btn-remove {
  color: var(--err);
}

.tool-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
  margin: 0.35rem 0 0.15rem;
}
.save-hint {
  margin: 0;
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.12px;
}

/* Forms */
.field label,
.score-label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--ink-muted-48);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: -0.12px;
}

.field input,
.field select,
.search-input,
.combo input {
  width: 100%;
  min-height: 44px;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--canvas);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 17px;
  letter-spacing: -0.374px;
}

.search-input,
.combo input[type="search"],
.combo input[type="text"] {
  border-radius: var(--pill);
  padding: 12px 20px;
}

.field input:focus,
.field select:focus,
.search-input:focus,
.combo input:focus {
  border-color: var(--primary);
}

/* Course rows */
.panel {
  margin: 0 0 0.85rem;
  padding: 0.85rem 0.95rem 0.95rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
}

.courses {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0 0 0.15rem;
  padding: 0;
  list-style: none;
}

.course {
  display: grid;
  grid-template-columns: minmax(4.8rem, 0.9fr) minmax(4.4rem, 0.75fr) minmax(6.2rem, 1.2fr) 3.2rem auto;
  align-items: end;
  gap: 0.4rem 0.45rem;
  padding: 0.55rem 0 0.55rem;
  border-bottom: 1px solid var(--hairline);
}

.course:last-child {
  border-bottom: 0;
  padding-bottom: 0.25rem;
}

.course .field-remove {
  display: flex;
  justify-content: flex-end;
  align-items: end;
}

@media (min-width: 800px) {
  .course {
    grid-template-columns: 6.4rem 5.6rem minmax(7.2rem, 0.95fr) 4.2rem auto;
    align-items: end;
  }
}

.qp {
  min-height: 44px;
  display: flex;
  align-items: center;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.qp[data-empty="true"] {
  color: var(--ink-muted-48);
}

/* Results — one planner card, not stacked parchment wells */
.results {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.results.planner {
  padding: 0.8rem 0.9rem 0.85rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
}

.planner .score,
.planner .equation,
.planner .extras,
.planner .methods-panel {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.planner-head {
  margin: 0 0 0.15rem;
}

.planner-gpas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem 1rem;
}

.planner-gpa .score-label {
  margin-bottom: 0.05rem;
}

.score-value {
  display: block;
  margin-top: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.score-value[data-empty="true"] {
  color: var(--ink-muted-48);
  font-weight: 500;
}

.score-note {
  margin: 0.4rem 0 0;
  color: var(--ink-muted-48);
  font-size: 14px;
  letter-spacing: -0.224px;
}

.equation {
  color: var(--ink-muted-48);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: -0.12px;
  overflow-wrap: anywhere;
}

.planner .equation {
  margin: 0.35rem 0 0;
  padding: 0;
}

.equation strong {
  color: var(--ink);
  font-weight: 600;
}

.extras h2,
.planner-target h2 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.extra-grid,
.extra-grid-tight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.65rem;
}

.extra-grid-tight {
  margin-top: 0.75rem;
}

.extra-grid-tight .field input {
  min-height: 44px;
  padding: 7px 10px;
  font-size: 15px;
}

.planner-target {
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--hairline);
}

.target-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.target-row .field {
  width: 6.75rem;
  flex: 0 0 6.75rem;
}

.target-row input {
  min-height: 44px;
  padding: 7px 10px;
  text-align: right;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.whatif {
  margin: 0.55rem 0 0;
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.whatif[data-state="impossible"] {
  background: transparent;
}

.whatif[data-state="idle"] {
  color: var(--ink-muted-48);
  font-size: 13px;
  letter-spacing: -0.16px;
}

.whatif p { margin: 0; }
.whatif p + p { margin-top: 0.2rem; }

.whatif-kicker {
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.12px;
}

.whatif .need {
  display: block;
  margin: 0.05rem 0 0.1rem;
  font-size: clamp(1.85rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}

.whatif[data-state="impossible"] .need {
  color: var(--err);
}

.whatif-on {
  color: var(--ink);
  font-size: 15px;
  letter-spacing: -0.224px;
}

.whatif-note {
  margin-top: 0.4rem !important;
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.12px;
}

.noscript {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  background: var(--parchment);
  border-radius: var(--radius-md);
  font-size: 14px;
}

/* Prose */
.prose {
  width: min(100% - 2rem, var(--wrap));
  margin: 2.5rem auto 0;
  padding-bottom: 1rem;
}

.prose p,
.prose li {
  color: var(--ink);
}

.prose p { margin: 0 0 0.9rem; }

.prose ul,
.prose ol {
  margin: 0 0 0.9rem;
  padding-left: 1.2rem;
}

.prose table,
.page table {
  width: 100%;
  margin: 0 0 1.1rem;
  border-collapse: collapse;
  font-size: 15px;
}

.prose th,
.prose td,
.page th,
.page td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--hairline);
  text-align: left;
}

.prose th,
.page th {
  color: var(--ink-muted-48);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.12px;
}

.prose caption,
.page caption {
  caption-side: bottom;
  padding-top: 0.5rem;
  color: var(--ink-muted-48);
  font-size: 13px;
  text-align: left;
}

.formula {
  margin: 0 0 1.1rem;
  padding: 1rem 1.1rem;
  background: var(--parchment);
  border-radius: var(--radius-md);
  font-size: 15px;
}

.faq details {
  margin: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hairline);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.faq details p {
  margin: 0.5rem 0 0.15rem;
}

/* Footer — parchment */
.site-foot {
  margin-top: auto;
  padding: 3rem 0 2.25rem;
  background: var(--parchment);
  color: var(--ink-muted-80);
  font-size: 12px;
  letter-spacing: -0.12px;
}

.site-foot .bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.25rem;
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}

.site-foot p { margin: 0; }

.site-foot a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--ink-muted-80);
}

.site-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
}

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

@media (max-width: 639px) {
  .site-head .bar { gap: 0.35rem 0.7rem; }
  .site-head nav { gap: 0.15rem 0.85rem; }
  .mark { font-size: 15px; }
  .site-head nav a { font-size: 13px; }
}

.btn-fallback {
  background: none;
  border: 0;
  padding: 0.15rem 0;
  min-height: 44px;
  color: var(--ink-muted-48);
  font-family: inherit;
  font-size: 12px;
  letter-spacing: -0.12px;
  cursor: pointer;
}

/* Sticky GPA dock */
.gpa-dock {
  position: sticky;
  bottom: 0;
  z-index: 15;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  width: 100%;
  padding: 0.65rem 1.25rem calc(0.7rem + env(safe-area-inset-bottom, 0px));
  background: rgba(245, 245, 247, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}
.gpa-dock-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 1.25rem;
}
.gpa-dock[hidden] { display: none; }
.gpa-dock-item { min-width: 0; }
.gpa-dock-value {
  display: block;
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

@media (max-width: 639px) {
  .desk-score { display: none; }
  .gpa-dock { position: fixed; left: 0; right: 0; bottom: 0; }
  .course {
    grid-template-columns: minmax(4.4rem, 0.9fr) minmax(4rem, 0.75fr) minmax(5.4rem, 1.15fr) 2.6rem auto;
    gap: 0.3rem 0.35rem;
    padding: 0.48rem 0 0.5rem;
  }
  .course .qp { min-height: 32px; font-size: 14px; }
  .course .field-remove .btn-remove {
    min-height: 44px;
    padding: 0 4px;
    font-size: 18px;
    line-height: 1;
  }
  .panel { padding: 0.7rem 0.75rem 0.8rem; }
}

@media (min-width: 640px) {
  .gpa-dock { display: none; }
}

/* Parchment wash on the two tools — not the three-photo cover */
.easy-body,
.school-body {
  background: var(--parchment);
}
.easy-body .panel,
.school-body .panel {
  background: var(--canvas);
}

@media (min-width: 1024px) {
  .site-head .bar,
  .site-foot .bar {
    width: min(100% - 2.5rem, 70rem);
  }
  .tool-page {
    width: min(100% - 2.5rem, 70rem);
    padding-top: 1.05rem;
  }
  .btn { padding: 9px 20px; }
  .catalog-layout.tool-split,
  .tool-split,
  .picks-col {
    display: grid;
    grid-template-columns: minmax(0, 1.28fr) minmax(15.5rem, 0.72fr);
    gap: 1.1rem;
    align-items: start;
  }
  .planner .score-value,
  .results-sticky .score-value,
  .tool-split .score-value,
  .picks-col .score-value {
    font-size: clamp(1.7rem, 2.2vw, 2.05rem);
  }
  .planner .score,
  .planner .extras,
  .planner .methods-panel,
  .planner .equation {
    padding: 0;
  }
  .tool-split .results,
  .results-sticky,
  .picks-col .results {
    position: sticky;
    top: calc(52px + 0.85rem);
  }
  .results.planner {
    padding: 0.75rem 0.85rem 0.8rem;
  }
  .planner-target h2 {
    font-size: 1rem;
  }
  .planner .whatif {
    margin-top: 0.45rem;
    padding: 0;
  }

  .course {
    grid-template-columns: 6.4rem 5.6rem minmax(7.2rem, 0.95fr) 4.2rem auto;
    align-items: end;
    padding: 0.5rem 0;
  }

  .gpa-dock { display: none !important; }
  .desk-score { display: block; }
  .planner-head.desk-score { display: block; }
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--primary-focus); }
  .btn-ghost:hover {
    background: rgba(0, 102, 204, 0.06);
  }
  .btn-plain:hover { text-decoration: underline; }
  .btn-fallback:hover { color: var(--ink-muted-80); text-decoration: underline; }
  .site-head nav a:hover { color: var(--body-on-dark); }
}

.method-tag {
  display: block;
  margin: 0.35rem 0 0;
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.12px;
}
.methods-panel {
  padding: 0.45rem 0 0;
  background: transparent;
  border-radius: 0;
}
.methods-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.85rem;
}
.planner .methods-panel .method-chip.is-primary {
  display: none;
}
.planner .methods-panel .method-chip {
  flex-direction: row;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}
.planner .methods-panel .method-name {
  font-size: 12px;
}
.planner .methods-panel .method-gpa {
  font-size: 13px;
}
.planner .methods-panel .method-mark {
  display: none;
}
.planner .methods-more {
  margin-top: 0.25rem;
}
.method-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  min-width: 0;
  padding: 0.55rem 0.55rem 0.5rem;
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
}
.method-chip.is-primary {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}
.method-name {
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.08px;
  line-height: 1.2;
}
.method-gpa {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.method-mark {
  color: var(--primary);
  font-size: 12px;
  letter-spacing: -0.08px;
}
.methods-more {
  margin-top: 0.55rem;
}
.methods-more summary {
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.12px;
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.methods-more dl {
  margin: 0.45rem 0 0;
}
.methods-more dt {
  margin-top: 0.45rem;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.methods-more dd {
  margin: 0.15rem 0 0;
  color: var(--ink-muted-80);
  font-size: 13px;
  letter-spacing: -0.224px;
}
.methods-row-compact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.7rem;
}
.methods-row-compact .method-chip {
  flex-direction: row;
  align-items: baseline;
  gap: 0.3rem;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}
.methods-row-compact .method-chip.is-primary .method-gpa {
  color: var(--ink);
}
.methods-row-compact .method-gpa { font-size: 13px; }
.gpa-dock-method {
  display: block;
  color: var(--ink-muted-48);
  font-size: 12px;
  letter-spacing: -0.1px;
}
.gpa-dock-methods .methods-more { margin-top: 0.15rem; }

@media (max-width: 639px) {
  .planner .equation { margin-top: 0; }
  .planner-target { margin-top: 0; padding-top: 0; border-top: 0; }
}

/* Quiet Clear list */
.btn-clear-list {
  color: var(--err);
  min-height: 44px;
  padding: 6px 8px;
  font-size: 14px;
}
.tool-actions .btn-clear-list {
  margin-inline-start: 0.1rem;
}

@media (hover: hover) and (pointer: fine) {
  .btn.btn-clear-list:hover {
    background: transparent;
    color: var(--err);
    text-decoration: underline;
  }
}