:root {
  --bg: #f3efe5;
  --paper: rgba(255, 252, 246, 0.92);
  --paper-strong: #fffdf8;
  --ink: #14231f;
  --muted: #60716b;
  --line: rgba(20, 35, 31, 0.12);
  --line-strong: rgba(20, 35, 31, 0.22);
  --brand: #134e4a;
  --brand-soft: #d4f2e6;
  --accent: #c26435;
  --warning: #8f4f1f;
  --danger: #9f2a2a;
  --success: #1f6d52;
  --shadow: 0 18px 45px rgba(20, 35, 31, 0.08);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --font-display: "Iowan Old Style", "Palatino Linotype", serif;
  --font-body: "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(194, 100, 53, 0.15), transparent 32%),
    radial-gradient(circle at top right, rgba(19, 78, 74, 0.22), transparent 28%),
    linear-gradient(180deg, #f5f1e8 0%, #ebe3d6 100%);
}

button,
input,
select {
  font: inherit;
}

.page-shell {
  max-width: 1500px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  margin-bottom: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(140deg, rgba(255, 251, 245, 0.96), rgba(238, 247, 243, 0.94)),
    var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
}

.eyebrow,
.section-kicker,
.semester-year,
.preview-code {
  margin: 0;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.74rem;
}

.hero h1,
.panel-header h2,
.semester-card h3,
.module-preview h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.95;
  margin-top: 8px;
}

.hero-copy {
  max-width: 720px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 1rem;
}

.app-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 20px;
}

.panel {
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  border-radius: 24px;
  padding: 22px;
}

.summary-panel,
.semesters-panel,
.top-search-panel {
  grid-column: 1 / -1;
}

.dashboard-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 18px;
}

.panel-subsection {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.panel-subheader h3 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.panel-header h2 {
  font-size: 1.5rem;
}

.subtle-text {
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.summary-card,
.year-chip,
.preview-card,
.requirement-card,
.semester-card {
  background: var(--paper-strong);
  border: 1px solid var(--line);
}

.summary-card {
  padding: 16px;
  border-radius: var(--radius-lg);
}

.summary-card p,
.preview-card p,
.requirement-meta,
.semester-meta,
.search-result small,
.module-title-cell span,
.summary-card span {
  color: var(--muted);
}

.summary-card h3 {
  margin: 8px 0 4px;
  font-size: 1.6rem;
  line-height: 1.2;
}

.summary-card:first-child {
  background: linear-gradient(180deg, rgba(19, 78, 74, 0.95), rgba(16, 61, 57, 0.95));
  color: white;
}

.summary-card:first-child p,
.summary-card:first-child span {
  color: rgba(255, 255, 255, 0.8);
}

.year-breakdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.year-chip {
  border-radius: var(--radius-md);
  padding: 14px;
  display: grid;
  gap: 4px;
}

.year-chip-grid {
  display: grid;
  gap: 4px;
}

.year-chip p,
.preview-card p {
  margin: 0;
}

.field,
.search-controls,
.field-row,
.requirement-row {
  display: grid;
  gap: 8px;
}

.search-controls,
.field-row,
.requirement-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.top-loader-controls {
  align-items: end;
}

.search-button-row {
  display: flex;
  gap: 12px;
  align-items: end;
}

.module-adder-row {
  margin-top: 18px;
}

.field span {
  font-size: 0.84rem;
  color: var(--muted);
}

.field input,
.field select,
.table-input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: #fffdf8;
  color: var(--ink);
  padding: 12px 14px;
}

.compact-field input,
.compact-field select {
  min-height: 48px;
}

.small-field {
  max-width: 140px;
}

.btn,
.search-result,
.icon-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  cursor: pointer;
  transition: transform 150ms ease, opacity 150ms ease, background 150ms ease;
}

.btn:hover,
.search-result:hover,
.icon-button:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: white;
}

.btn-secondary {
  background: rgba(19, 78, 74, 0.1);
  color: var(--brand);
}

.btn-ghost {
  background: rgba(20, 35, 31, 0.08);
  color: var(--ink);
}

.search-results-wrap {
  margin-top: 18px;
}

.banner {
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 0.94rem;
}

.banner-muted {
  background: rgba(20, 35, 31, 0.07);
  color: var(--ink);
}

.banner-success {
  background: rgba(31, 109, 82, 0.12);
  color: var(--success);
}

.banner-danger {
  background: rgba(159, 42, 42, 0.12);
  color: var(--danger);
}

.banner-warning {
  background: rgba(143, 79, 31, 0.14);
  color: var(--warning);
}

.search-results {
  display: grid;
  gap: 10px;
  max-height: 300px;
  overflow: auto;
}

.search-result {
  text-align: left;
  background: var(--paper-strong);
  border: 1px solid var(--line);
  border-radius: 16px;
  display: grid;
  gap: 4px;
}

.module-preview {
  margin-top: 16px;
  border-radius: 20px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(19, 78, 74, 0.06), rgba(255, 253, 248, 0.78));
  border: 1px solid var(--line);
}

.empty-state,
.small-empty,
.empty-row {
  color: var(--muted);
}

.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.preview-card,
.requirement-card {
  padding: 14px;
  border-radius: var(--radius-md);
}

.preview-card strong {
  display: block;
  margin: 6px 0;
}

.preview-description {
  margin-top: 16px;
  color: var(--muted);
  line-height: 1.65;
}

.credit-pill,
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.82rem;
  font-weight: 600;
}

.credit-pill,
.badge.muted {
  background: rgba(20, 35, 31, 0.08);
}

.badge.success {
  background: rgba(31, 109, 82, 0.14);
  color: var(--success);
}

.badge.warning {
  background: rgba(143, 79, 31, 0.14);
  color: var(--warning);
}

.badge.danger {
  background: rgba(159, 42, 42, 0.14);
  color: var(--danger);
}

.progress-strip {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(20, 35, 31, 0.08);
  overflow: hidden;
  margin: 12px 0 10px;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--brand));
}

.requirement-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
}

.minimal-card {
  padding: 16px;
}

.requirement-topline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.requirement-topline p {
  margin: 6px 0 0;
  color: var(--muted);
}

.requirement-topline span {
  color: var(--muted);
  white-space: nowrap;
}

.requirement-editor-toggle {
  margin-top: 12px;
}

.requirement-editor-toggle summary {
  cursor: pointer;
  color: var(--brand);
  font-weight: 600;
}

.semester-grid {
  display: grid;
  gap: 18px;
}

.semester-card {
  border-radius: 22px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 251, 244, 0.95), rgba(245, 251, 248, 0.92));
}

.semester-card-header,
.semester-meta,
.badge-row,
.su-toggle {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.semester-cap {
  display: grid;
  gap: 4px;
  text-align: right;
  color: var(--brand);
  font-weight: 700;
}

.semester-meta {
  margin: 12px 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.semester-table-wrap {
  overflow: auto;
  margin-bottom: 12px;
}

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

.semester-table th,
.semester-table td {
  padding: 12px 8px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.semester-table th {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.module-title-cell {
  display: grid;
  gap: 4px;
  min-width: 260px;
}

.badge-row {
  flex-wrap: wrap;
}

.short-input {
  min-width: 72px;
}

.icon-button {
  background: rgba(159, 42, 42, 0.1);
  color: var(--danger);
  padding: 10px 12px;
}

.su-toggle {
  align-items: center;
}

.su-toggle input {
  margin: 0;
}

@media (max-width: 1100px) {
  .app-grid,
  .summary-cards,
  .year-breakdown,
  .preview-grid,
  .year-section-grid {
    grid-template-columns: 1fr;
  }

  .hero,
  .panel-header,
  .preview-header,
  .semester-card-header,
  .semester-meta,
  .requirement-topline,
  .requirement-meta,
  .badge-row {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px 12px 24px;
  }

  .hero,
  .panel,
  .semester-card {
    padding: 16px;
  }

  .search-controls,
  .field-row,
  .requirement-row {
    grid-template-columns: 1fr;
  }
}

.optional-terms-panel {
  margin-bottom: 20px;
  padding: 22px;
  border-radius: 22px;
  background:
    radial-gradient(circle at top right, rgba(19, 78, 74, 0.12), transparent 32%),
    linear-gradient(180deg, rgba(19, 78, 74, 0.06), rgba(255, 252, 246, 0.98));
  border: 1px solid rgba(19, 78, 74, 0.12);
}

.optional-terms-copy h3 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.quick-add-grid {
  display: grid;
  gap: 10px;
}

.quick-add-card {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 253, 248, 0.86);
  border: 1px solid rgba(19, 78, 74, 0.1);
  box-shadow: 0 10px 24px rgba(20, 35, 31, 0.05);
}

.quick-add-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.92rem;
}

.quick-add-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.chip-button {
  border: 1px solid rgba(19, 78, 74, 0.18);
  background: white;
  color: var(--brand);
  border-radius: 999px;
  padding: 9px 12px;
  cursor: pointer;
  font: inherit;
}

.chip-button:hover {
  background: rgba(19, 78, 74, 0.08);
}

.optional-semester-card {
  border-style: dashed;
}

.year-section {
  display: grid;
  gap: 12px;
}

.year-section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  padding: 6px 2px 0;
}

.year-section-header h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.year-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.muted-cap {
  color: var(--muted);
  font-weight: 500;
}