:root {
  --bg: #f5f7f9;
  --panel: #ffffff;
  --panel-soft: #eef3f5;
  --ink: #172026;
  --muted: #60707d;
  --line: #d9e1e6;
  --accent: #176f6b;
  --accent-dark: #0f5552;
  --amber: #b86413;
  --rose: #b6424d;
  --focus: #2e7dd7;
  --shadow: 0 18px 40px rgba(23, 32, 38, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled,
input:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

[hidden] {
  display: none !important;
}

.app-shell {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.auth-shell {
  width: min(860px, 100%);
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 8px 0 22px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 0.95;
}

h2 {
  font-size: 1.05rem;
}

h3 {
  font-size: 0.92rem;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  gap: 8px;
}

.summary-strip div {
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.summary-strip span {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
}

.summary-strip small {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  white-space: nowrap;
}

.account-box {
  display: grid;
  gap: 4px;
  min-width: 180px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.account-box span {
  color: var(--muted);
  font-size: 0.78rem;
}

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

.auth-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.auth-card label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.auth-message {
  min-height: 24px;
  margin-top: 12px;
  color: var(--muted);
}

.criteria-band,
.view-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.criteria-band {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  background: var(--panel-soft);
}

.criteria-band p,
.hint {
  color: var(--muted);
  font-size: 0.86rem;
}

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

.criterion-group {
  display: grid;
  gap: 8px;
}

.criterion-group h3,
.rating-group h3 {
  color: var(--accent-dark);
}

.criterion-group-list {
  display: grid;
  gap: 8px;
}

.criterion-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 44px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 0.9rem;
}

.criterion-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #e4f3ef;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.criterion-item strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.view-panel {
  margin-top: 16px;
  padding: 16px;
  background: var(--panel);
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-heading > div {
  display: grid;
  gap: 4px;
}

.setup-grid,
.management-grid,
.rating-layout {
  display: grid;
  gap: 16px;
}

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

.setup-column,
.sequence-panel,
.rating-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.setup-column {
  display: grid;
  gap: 12px;
  padding: 14px;
}

.add-form label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px;
  gap: 8px;
}

.wide-action {
  grid-template-columns: minmax(0, 1fr) auto;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}

input {
  padding: 0 12px;
}

select {
  padding: 0 8px;
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid rgba(46, 125, 215, 0.24);
  outline-offset: 2px;
  border-color: var(--focus);
}

.icon-button {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
}

.icon-button:hover,
.text-button:hover {
  background: var(--accent-dark);
}

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

.text-button,
.ghost-button {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 6px;
  font-weight: 700;
}

.text-button {
  border: 0;
  background: var(--accent);
  color: #fff;
}

.ghost-button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.ghost-button:hover {
  color: var(--rose);
  border-color: rgba(182, 66, 77, 0.35);
}

.person-list {
  display: grid;
  gap: 8px;
}

.class-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.class-card {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  text-align: left;
}

.class-card:hover,
.class-card.active {
  border-color: rgba(23, 111, 107, 0.45);
  background: #edf8f5;
}

.class-card span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.person-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.person-row strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.account-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.account-row.active {
  border-color: rgba(23, 111, 107, 0.38);
  background: #edf8f5;
}

.account-row > div:first-child {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.account-row strong {
  min-width: 0;
  overflow-wrap: anywhere;
}

.account-row span {
  color: var(--muted);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: end;
}

.list-divider {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

.row-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #e4f3ef;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.remove-button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--muted);
  font-weight: 800;
}

.remove-button:hover {
  color: #fff;
  border-color: var(--rose);
  background: var(--rose);
}

.rating-layout {
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  align-items: start;
}

.sequence-panel {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.sequence-list {
  display: grid;
  gap: 8px;
}

.sequence-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  text-align: left;
}

.sequence-row strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.sequence-row.active {
  border-color: rgba(23, 111, 107, 0.38);
  background: #edf8f5;
}

.sequence-row:hover {
  border-color: rgba(23, 111, 107, 0.45);
}

.sequence-row.complete {
  color: var(--accent-dark);
}

.rating-card {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.student-focus {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.student-focus span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.student-focus h3 {
  font-size: 1.8rem;
  overflow-wrap: anywhere;
}

.rating-fields {
  display: grid;
  gap: 16px;
}

.rating-group {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
}

.rating-field {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  min-inline-size: 0;
}

.rating-field legend {
  width: 100%;
  padding: 0 0 2px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.rating-options {
  display: grid;
  gap: 8px;
}

.rating-option {
  display: grid;
  grid-template-columns: 18px 34px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.rating-option:hover {
  border-color: rgba(23, 111, 107, 0.45);
  background: #f7fbfa;
}

.rating-option input {
  width: 18px;
  min-height: 18px;
  margin: 2px 0 0;
}

.rating-option strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #e4f3ef;
  color: var(--accent-dark);
  font-size: 0.82rem;
}

.rating-option span {
  min-width: 0;
  color: var(--ink);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.rating-option:has(input:checked) {
  border-color: rgba(23, 111, 107, 0.7);
  background: #edf8f5;
}

.student-results {
  display: grid;
  gap: 10px;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, auto);
  gap: 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.result-name {
  min-width: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.result-meta {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.78rem;
}

.result-grades {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 1fr));
  gap: 8px;
}

.result-grade {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.result-grade span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.grade-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  background: #e4f3ef;
  color: var(--accent-dark);
  font-weight: 800;
}

.empty-state {
  display: grid;
  gap: 5px;
  padding: 28px;
  color: var(--muted);
  text-align: center;
}

.empty-state.compact {
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.warn {
  background: #fff6e8;
  color: var(--amber);
}

.danger {
  background: #fdebee;
  color: var(--rose);
}

@media (max-width: 900px) {
  .topbar,
  .criteria-band,
  .class-cards,
  .management-grid,
  .auth-grid,
  .setup-grid,
  .rating-layout {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: stretch;
  }

  .summary-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .criteria-list {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }
}

@media (max-width: 560px) {
  .app-shell {
    padding: 14px;
  }

  .summary-strip,
  .criteria-list {
    grid-template-columns: 1fr;
  }

  .result-row,
  .result-grades,
  .account-row {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .actions,
  .rating-actions {
    justify-content: stretch;
  }

  .actions button,
  .rating-actions button {
    flex: 1;
  }
}