:root {
  --bg: #f4efe6;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #1c222c;
  --muted: #667085;
  --line: rgba(28, 34, 44, 0.1);
  --line-strong: rgba(28, 34, 44, 0.16);
  --shadow: 0 18px 45px rgba(32, 35, 38, 0.08);
  --primary: #1b68b7;
  --primary-dark: #144d86;
  --primary-soft: #e9f2fb;
  --success: #278a59;
  --success-soft: #ecf8f1;
  --accent-soft: #fff1df;
  --danger: #bf3f3f;
  --danger-soft: #fff0ef;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(27, 104, 183, 0.12), transparent 24%),
    radial-gradient(circle at top left, rgba(217, 123, 13, 0.09), transparent 22%),
    linear-gradient(180deg, #f8f3eb 0%, #efe6d9 100%);
}

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

button {
  cursor: pointer;
}

canvas {
  max-width: 100%;
}

.app-shell {
  min-height: 100vh;
  padding-bottom: 96px;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.5rem;
  background: rgba(251, 248, 242, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand__mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.12em;
  box-shadow: 0 16px 24px rgba(20, 77, 134, 0.24);
}

.brand h1,
.card h2,
.section-toolbar h2,
.modal__header h3 {
  margin: 0;
  letter-spacing: -0.03em;
}

.brand p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.toolbar,
.toolbar-compact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.button {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1rem;
  background: #fff;
  color: var(--text);
  transition:
    transform 140ms ease,
    box-shadow 140ms ease,
    background 140ms ease,
    border-color 140ms ease,
    color 140ms ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(28, 34, 44, 0.08);
}

.button:disabled,
.button.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.78);
}

.button-accent {
  border-color: rgba(27, 104, 183, 0.2);
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.button-danger {
  background: var(--danger);
  color: #fff;
}

.button-danger-soft {
  border-color: rgba(191, 63, 63, 0.18);
  background: var(--danger-soft);
  color: var(--danger);
}

.button-ghost {
  border-color: var(--line);
  background: transparent;
}

.button-dark {
  background: #18222f;
  color: #fff;
}

.button-block {
  width: 100%;
  justify-content: center;
}

.button-small {
  padding: 0.52rem 0.82rem;
  font-size: 0.9rem;
}

.button-link {
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--primary);
  font-weight: 600;
}

.button-link:hover {
  color: var(--primary-dark);
}

.danger-link {
  color: var(--danger);
}

.danger-link:hover {
  color: #8f1d1d;
}

.app-main {
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

.notice {
  border-radius: 16px;
  padding: 0.95rem 1.15rem;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
}

.notice-success {
  background: var(--success-soft);
  border-color: rgba(39, 138, 89, 0.16);
}

.notice-warning {
  background: var(--accent-soft);
  border-color: rgba(217, 123, 13, 0.18);
}

.notice-danger {
  background: var(--danger-soft);
  border-color: rgba(191, 63, 63, 0.18);
}

.notice-info {
  background: var(--primary-soft);
  border-color: rgba(27, 104, 183, 0.14);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-layout {
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
}

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

.card,
.table-card,
.modal,
.list-card,
.snapshot-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card {
  padding: 1.3rem;
}

.card__header,
.card__header-split,
.section-toolbar,
.panel-row,
.meta-row,
.discipline-row,
.footer-bar__inner,
.row-form,
.list-card,
.snapshot-card {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card__header,
.card__header-split,
.section-toolbar {
  justify-content: space-between;
  margin-bottom: 1rem;
}

.eyebrow,
.section-label,
.field-label {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.subtle-copy,
.panel-copy,
.empty-state p,
.audit-entry p,
.list-card p,
.snapshot-select span,
.footer-meta span {
  color: var(--muted);
}

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

.stat-card {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-card small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  font-weight: 600;
}

.stat-card-primary {
  background: var(--primary-soft);
  border-color: rgba(27, 104, 183, 0.14);
}

.stat-card-success {
  background: var(--success-soft);
  border-color: rgba(39, 138, 89, 0.12);
}

.radar-wrap,
.chart-stack {
  position: relative;
  min-height: 360px;
}

.chart-panel {
  position: absolute;
  inset: 0;
}

.chart-panel.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.legend-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
}

.legend-card {
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid var(--line);
  text-align: center;
}

.legend-card strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.3rem;
}

.legend-card-danger {
  background: var(--danger-soft);
}

.legend-card-warning {
  background: var(--accent-soft);
}

.legend-card-accent {
  background: #fff8d9;
}

.legend-card-primary {
  background: var(--primary-soft);
}

.legend-card-success {
  background: var(--success-soft);
}

.toggle-group {
  display: inline-flex;
  padding: 0.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
}

.toggle-button {
  border: 0;
  background: transparent;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
}

.toggle-button.is-active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(28, 34, 44, 0.08);
}

.section-toolbar {
  flex-wrap: wrap;
}

.section-toolbar__left,
.filter-row,
.field-inline,
.discipline-actions,
.confirm-row,
.confirm-inline,
.inline-editor__actions,
.footer-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
}

.section-toolbar__left {
  align-items: end;
}

.field,
.field-inline {
  display: flex;
  flex-direction: column;
}

.field-inline span {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.input {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.92);
  padding: 0.82rem 1rem;
  color: var(--text);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.input:focus {
  border-color: rgba(27, 104, 183, 0.5);
  box-shadow: 0 0 0 4px rgba(27, 104, 183, 0.12);
}

.textarea {
  min-height: 140px;
  resize: vertical;
}

.textarea-lg {
  min-height: 220px;
}

.compact-input {
  min-width: 220px;
}

.compact-textarea {
  min-height: 82px;
}

.table-card {
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
}

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

.data-table th,
.data-table td {
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(28, 34, 44, 0.06);
  vertical-align: top;
}

.data-table th {
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.48);
}

.cell-large {
  min-width: 240px;
}

.cell-xl {
  min-width: 380px;
}

.cell-center {
  text-align: center;
}

.cell-display {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.inline-editor {
  display: grid;
  gap: 0.7rem;
}

.tag,
.score-target,
.meta-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(28, 34, 44, 0.05);
  border: 1px solid rgba(28, 34, 44, 0.08);
  font-weight: 600;
}

.score-target {
  background: var(--success-soft);
  color: var(--success);
}

.score-group {
  display: inline-flex;
  gap: 0.3rem;
  flex-wrap: wrap;
  justify-content: center;
}

.score-chip {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: rgba(28, 34, 44, 0.08);
  color: var(--muted);
  font-weight: 700;
}

.score-chip.is-active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.stack {
  display: grid;
  gap: 0.9rem;
}

.gap-md {
  gap: 1rem;
}

.gap-lg {
  gap: 1.2rem;
}

.gap-xl {
  gap: 1.5rem;
}

.panel {
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.panel-soft {
  background: rgba(27, 104, 183, 0.08);
}

.panel-danger {
  background: rgba(191, 63, 63, 0.07);
}

.panel-row {
  justify-content: space-between;
}

.panel-row--top {
  align-items: flex-start;
}

.panel-title {
  margin: 0 0 0.25rem;
}

.list-card,
.snapshot-card {
  justify-content: space-between;
  padding: 1rem;
  border-radius: 18px;
}

.list-card__body {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}

.audit-entry {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line);
}

.snapshot-card.is-active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.snapshot-card.is-active .snapshot-select span,
.snapshot-card.is-active .button-link {
  color: rgba(255, 255, 255, 0.82);
}

.snapshot-select {
  border: 0;
  background: transparent;
  display: grid;
  gap: 0.2rem;
  text-align: left;
  padding: 0;
  color: inherit;
}

.meta-row {
  justify-content: space-between;
}

.meta-time {
  font-size: 0.78rem;
}

.discipline-row,
.discipline-form {
  width: 100%;
  justify-content: space-between;
}

.discipline-form {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.discipline-name {
  font-weight: 600;
}

.empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
}

.empty-state--compact {
  min-height: 180px;
}

.footer-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 18;
  padding: 0.85rem 1.2rem;
  border-top: 1px solid var(--line);
  background: rgba(251, 248, 242, 0.86);
  backdrop-filter: blur(18px);
}

.footer-bar__inner {
  max-width: 1360px;
  margin: 0 auto;
  justify-content: space-between;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 30;
  padding: 1.4rem;
  display: grid;
  place-items: center;
  background: rgba(19, 22, 29, 0.42);
  backdrop-filter: blur(12px);
}

.modal {
  width: min(760px, 100%);
  max-height: min(88vh, 980px);
  display: flex;              /* change from grid → flex */
  flex-direction: column;     /* header + body vertical layout */
  overflow: hidden;           /* keep this */
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.3rem;
  border-bottom: 1px solid var(--line);
}

.modal__body {
  flex: 1;                    /* take remaining height */
  min-height: 0;              /* critical for scroll to work in flex */
  overflow-y: auto;           /* vertical scroll */
  padding: 1.25rem;
}

@media (max-width: 1100px) {
  .grid-layout,
  .stats-grid,
  .legend-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .app-header,
  .card__header,
  .card__header-split,
  .section-toolbar,
  .footer-bar__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid-layout,
  .grid-two,
  .stats-grid,
  .legend-grid {
    grid-template-columns: 1fr;
  }

  .chart-stack,
  .radar-wrap {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .app-header,
  .app-main,
  .footer-bar,
  .modal-backdrop {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .toolbar,
  .toolbar-compact,
  .filter-row,
  .section-toolbar__left,
  .footer-meta,
  .confirm-row,
  .confirm-inline,
  .inline-editor__actions,
  .discipline-form {
    width: 100%;
  }

  .discipline-form,
  .row-form,
  .confirm-row,
  .confirm-inline,
  .inline-editor__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .data-table th,
  .data-table td {
    padding: 0.85rem;
  }

  .cell-display {
    flex-direction: column;
  }
}