:root {
  --bg: #f7faf8;
  --ink: #14201b;
  --muted: #607069;
  --line: #d8e0dc;
  --green: #13724a;
  --green-strong: #0d5838;
  --blue: #205f9f;
  --red: #b42318;
  --gold: #c98b12;
  --soft: #eef5f1;
  --panel: #ffffff;
  --shadow: 0 14px 34px rgba(20, 32, 27, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  width: min(1220px, calc(100% - 24px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.topbar,
.dashboard-head,
.table-tools,
.section-head,
.head-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.head-actions .ghost-btn {
  min-width: max-content;
}

.developer-credit {
  width: min(1220px, calc(100% - 24px));
  margin: -18px auto 28px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fff;
  text-align: center;
  box-shadow: 0 10px 24px rgba(20, 32, 27, 0.06);
}

.developer-credit span {
  margin-right: 5px;
  font-weight: 750;
}

.developer-credit a {
  color: var(--green);
  font-weight: 900;
  text-decoration: none;
}

.developer-credit a:hover {
  text-decoration: underline;
}

.print-inline-btn {
  margin-top: 14px;
}

.topbar {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 3vw, 2.35rem);
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  line-height: 1.08;
}

h3 {
  margin-bottom: 0;
  font-size: 1.05rem;
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.mode-badge,
.computed-strip {
  padding: 8px 10px;
  border-radius: 999px;
  color: #704a00;
  background: rgba(201, 139, 18, 0.18);
  font-size: 0.82rem;
  font-weight: 800;
}

.student-portal {
  display: grid;
  grid-template-columns: minmax(340px, 430px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.hero-copy {
  min-height: 220px;
  padding: 28px;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, #0f5b39, #205f9f);
  box-shadow: var(--shadow);
}

.hero-copy .eyebrow,
.hero-copy p,
.hero-copy h2 {
  color: #fff;
}

.search-panel,
.latest-card,
.summary-card,
.history-card,
.admin-login,
.dashboard,
.panel-form,
.stat-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.search-panel,
.latest-card,
.summary-card,
.history-card,
.admin-login,
.dashboard,
.panel-form {
  padding: 20px;
}

.search-panel h2 {
  margin-bottom: 12px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 760;
}

input,
select {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #fff;
  outline: none;
}

input[readonly],
input:disabled {
  color: var(--muted);
  background: #f4f7f5;
}

input[type="checkbox"] {
  width: 18px;
  min-height: 18px;
}

input:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(19, 114, 74, 0.12);
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
  margin-top: 8px;
}

button[type="submit"],
.primary-btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 7px;
  color: #fff;
  background: var(--green);
  font-weight: 850;
}

button[type="submit"]:hover,
.primary-btn:hover {
  background: var(--green-strong);
}

.ghost-btn {
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--ink);
  background: #fff;
  font-weight: 780;
}

.form-hint {
  margin: 9px 0 0;
  font-size: 0.9rem;
}

.result-area {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 14px;
}

.history-card {
  grid-column: 1 / -1;
}

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

.score-display {
  display: grid;
  place-items: center;
  min-width: 132px;
  min-height: 112px;
  padding: 12px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  text-align: center;
}

.score-display.expelled {
  background: var(--red);
}

.score-display span {
  font-weight: 800;
}

.score-display b {
  display: block;
  font-size: 1.8rem;
  line-height: 1.05;
}

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

.metric,
.stat-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.metric span,
.stat-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.metric b,
.stat-card b {
  font-size: 1.25rem;
}

.admin-login {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: 22px;
}

.login-form,
.panel-form {
  display: grid;
  gap: 13px;
}

.dashboard {
  display: grid;
  gap: 18px;
}

.admin-session-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
  font-weight: 850;
}

.print-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.print-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: end;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.action-tab {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font-weight: 820;
}

.action-tab.active {
  color: #fff;
  border-color: var(--green);
  background: var(--green);
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 13px;
}

.toggle-line {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
}

.computed-strip {
  border-radius: 8px;
  color: var(--muted);
  background: #f7faf8;
}

.bulk-upload-box {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #f7faf8;
}

.table-tools {
  align-items: stretch;
}

.table-tools input {
  flex: 1;
}

.table-tools select {
  max-width: 240px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.compact-table {
  margin-top: 6px;
}

table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  background: #fff;
}

.compact-table table {
  min-width: 620px;
}

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

th {
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.mini-btn {
  min-height: 34px;
  padding: 0 10px;
  border-radius: 6px;
  color: #fff;
  background: var(--blue);
  font-weight: 760;
}

.mini-btn.danger {
  background: var(--red);
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  max-width: min(430px, calc(100% - 36px));
  padding: 13px 15px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  box-shadow: var(--shadow);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: 180ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(20, 32, 27, 0.45);
}

.modal-card {
  width: min(780px, 100%);
  max-height: min(760px, calc(100vh - 32px));
  overflow: auto;
  padding: 18px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.duplicate-form {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.duplicate-group {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7faf8;
}

.duplicate-choice {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  margin-top: 9px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.duplicate-choice input {
  width: 18px;
  min-height: 18px;
  margin-top: 3px;
}

.duplicate-choice b {
  display: block;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .student-portal,
  .result-area,
  .admin-login {
    grid-template-columns: 1fr;
  }

  .form-grid,
  .print-grid,
  .metric-grid,
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-tools,
  .dashboard-head,
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .table-tools select {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .app-shell {
    width: 100%;
    padding: 0 10px 28px;
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 3;
    margin: 0 -10px 10px;
    padding: 10px;
    gap: 6px;
    background: rgba(247, 250, 248, 0.96);
    border-bottom: 1px solid var(--line);
  }

  h1 {
    font-size: 1.18rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  h3 {
    font-size: 1rem;
  }

  p {
    line-height: 1.45;
  }

  .eyebrow {
    margin-bottom: 4px;
    font-size: 0.68rem;
  }

  .student-portal,
  .result-area,
  .dashboard,
  .admin-grid {
    gap: 10px;
  }

  .hero-copy {
    display: none;
  }

  .search-panel,
  .latest-card,
  .summary-card,
  .history-card,
  .admin-login,
  .dashboard,
  .panel-form {
    padding: 12px;
    box-shadow: none;
  }

  .search-panel {
    border-radius: 0 0 8px 8px;
  }

  .inline-form,
  .quick-actions,
  .print-grid,
  .form-grid,
  .metric-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  input,
  select,
  button[type="submit"],
  .ghost-btn {
    min-height: 52px;
    border-radius: 7px;
    font-size: 1rem;
  }

  .mode-badge {
    width: max-content;
    padding: 6px 9px;
    font-size: 0.7rem;
  }

  .result-top,
  .head-actions,
  .admin-session-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .score-display {
    width: 100%;
    min-width: 0;
    min-height: 92px;
  }

  .score-display b {
    font-size: 1.75rem;
  }

  .modal-card {
    padding: 12px;
  }

  .modal-actions {
    flex-direction: column-reverse;
  }

  .metric,
  .stat-card {
    padding: 10px;
  }

  .metric b,
  .stat-card b {
    font-size: 1.12rem;
  }

  .table-wrap {
    border: 0;
    overflow: visible;
  }

  .compact-table {
    margin-top: 4px;
  }

  table,
  .compact-table table {
    min-width: 0;
  }

  thead {
    display: none;
  }

  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }

  tr {
    margin-bottom: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    overflow: hidden;
  }

  td {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    font-size: 0.92rem;
  }

  td:last-child {
    border-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
  }

  .mini-btn {
    min-height: 38px;
  }
}