:root {
  --background: #f4f6f8;
  --foreground: #172026;
  --muted: #62707a;
  --line: #d9e0e6;
  --panel: #ffffff;
  --panel-soft: #eef4f7;
  --accent: #176b87;
  --accent-strong: #0f5268;
  --accent-soft: #dcecf1;
  --success-soft: #e3f3df;
  --danger: #a84242;
  --shadow: 0 18px 55px rgba(30, 46, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 700;
  min-height: 40px;
  padding: 10px 14px;
}

button:hover {
  background: var(--accent-strong);
}

button:disabled {
  background: #b9c6cd;
  cursor: not-allowed;
}

button.secondary {
  background: #edf4f7;
  border: 1px solid #c6d8df;
  color: var(--accent-strong);
}

button.danger {
  background: #fff1f1;
  border: 1px solid #efc6c6;
  color: var(--danger);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--foreground);
  outline: none;
  padding: 10px 12px;
}

textarea {
  resize: vertical;
}

label {
  color: #384852;
  display: grid;
  font-size: 0.88rem;
  font-weight: 700;
  gap: 7px;
}

.hidden {
  display: none;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(440px, 0.95fr) minmax(520px, 1.05fr);
  min-height: 100vh;
}

.tool-panel {
  display: grid;
  gap: 18px;
  padding: 26px;
}

.preview-panel {
  background: #e7edf1;
  border-left: 1px solid var(--line);
  height: 100vh;
  min-width: 0;
  overflow: auto;
  padding: 26px;
  position: sticky;
  top: 0;
}

.app-header {
  align-items: flex-start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.app-header h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  margin: 5px 0 10px;
}

.app-header p {
  color: var(--muted);
  margin: 0;
  max-width: 760px;
}

.eyebrow,
.tag {
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 800;
  margin: 0;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  min-width: 300px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(32, 50, 62, 0.06);
  display: grid;
  gap: 16px;
  padding: 18px;
}

.section-title {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.section-title h2 {
  font-size: 1.1rem;
  margin: 0;
}

.section-title span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.segmented,
.tabs {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 4px;
  padding: 4px;
}

.segmented button,
.tabs button {
  background: transparent;
  color: #43535e;
  flex: 1;
  min-height: 34px;
  padding: 7px 10px;
}

.segmented button.active,
.tabs button.active {
  background: white;
  box-shadow: 0 2px 8px rgba(26, 45, 57, 0.1);
  color: var(--accent-strong);
}

.course-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.course-grid .course {
  background: #edf4f7;
  border: 1px solid #c6d8df;
  color: var(--accent-strong);
  padding: 9px;
}

.course-grid .course.active {
  background: var(--accent);
  color: white;
}

.form-grid,
.mini-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide-field {
  margin-bottom: 12px;
}

.filters {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 240px;
}

.item-list,
.selected-list {
  display: grid;
  gap: 10px;
}

.bank-item,
.selected-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
  display: grid;
  gap: 12px;
  padding: 14px;
}

.bank-item {
  align-items: center;
  grid-template-columns: 1fr auto;
}

.bank-item h3,
.selected-item h3 {
  font-size: 1rem;
  margin: 4px 0 6px;
}

.bank-item p,
.bank-item small {
  color: var(--muted);
  line-height: 1.45;
}

.selected-head {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.empty {
  background: var(--panel-soft);
  border: 1px dashed #b6c8d0;
  border-radius: 8px;
  color: var(--muted);
  margin: 0;
  padding: 18px;
}

.print-sheet {
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin: 0 auto;
  max-width: 900px;
  min-height: calc(100vh - 52px);
  padding: 42px;
}

.print-header {
  align-items: flex-start;
  border-bottom: 3px solid var(--accent);
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 26px;
  padding-bottom: 18px;
}

.print-header p,
.print-header span {
  color: var(--muted);
  display: block;
  margin: 0;
}

.print-header h2 {
  font-size: 2rem;
  margin: 5px 0 0;
}

.print-sheet section {
  break-inside: avoid;
  margin: 0 0 24px;
}

.print-sheet h3 {
  border-bottom: 1px solid var(--line);
  color: var(--accent-strong);
  font-size: 1.08rem;
  margin: 0 0 12px;
  padding-bottom: 8px;
}

.print-sheet h4 {
  font-size: 0.95rem;
  margin: 0 0 6px;
}

.print-sheet p {
  line-height: 1.52;
  margin: 0 0 10px;
}

.data-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.data-grid div,
.support-grid div,
.two-col div,
.proposal-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.data-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.data-grid dd {
  margin: 4px 0 0;
}

.two-col,
.support-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 12px;
}

.support-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-grid div {
  background: var(--accent-soft);
}

.proposal-group {
  margin-bottom: 14px;
}

.proposal-group > h4 {
  background: var(--panel-soft);
  border-radius: 8px;
  color: #243540;
  padding: 10px 12px;
}

.proposal-item {
  margin-top: 8px;
}

.proposal-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}

.proposal-meta span {
  background: var(--success-soft);
  border-radius: 999px;
  color: #2d5e34;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 8px;
}

.signature-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
}

.signature-grid span {
  border-top: 1px solid #8d9aa3;
  color: var(--muted);
  padding-top: 10px;
  text-align: center;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    height: auto;
    position: static;
  }
}

@media (max-width: 760px) {
  .tool-panel,
  .preview-panel {
    padding: 14px;
  }

  .app-header,
  .print-header,
  .section-title,
  .selected-head {
    display: grid;
  }

  .form-grid,
  .filters,
  .mini-grid,
  .two-col,
  .support-grid,
  .data-grid,
  .signature-grid {
    grid-template-columns: 1fr;
  }

  .course-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .bank-item {
    grid-template-columns: 1fr;
  }
}

@media print {
  body {
    background: white;
  }

  .no-print,
  .tool-panel {
    display: none !important;
  }

  .app-shell {
    display: block;
  }

  .preview-panel {
    background: white;
    border: 0;
    height: auto;
    overflow: visible;
    padding: 0;
  }

  .print-sheet {
    border-radius: 0;
    box-shadow: none;
    max-width: none;
    min-height: 0;
    padding: 0;
  }
}