:root {
  --bg: #ffffff;
  --text: #3a3a35;
  --muted: #a89f8c;
  --accent: #c9922a;
  --primary: #1a4a2e;
  --card: #f9f9f7;
  --border: #d0ccc4;
  --tag-bg: #f8f6f0;
  --tag-text: #1a4a2e;
  --danger: #8f4545;
}

[data-theme="dark"] {
  --bg: #18211b;
  --text: #f1eee6;
  --muted: #c5bca8;
  --accent: #d8a94f;
  --primary: #d6e8d9;
  --card: #202820;
  --border: #39453d;
  --tag-bg: #28352d;
  --tag-text: #f1eee6;
  --danger: #efb0b0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "DM Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
  position: relative;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.grid-overlay {
  display: none;
}

.top-bar,
.layout,
.site-footer {
  width: min(1100px, 92vw);
  margin-inline: auto;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem 0 1rem;
  position: relative;
  z-index: 120;
}

.brand-wrap {
  display: grid;
  gap: 0.25rem;
}

.brand {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: var(--primary);
  text-transform: none;
}

.brand-logo {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0;
  flex: 0 0 auto;
}

.brand-accent {
  color: var(--accent);
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}

.brand-sub {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.76rem;
}

.top-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.menu-toggle {
  display: none;
}

.top-controls a {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.top-icon-btn {
  min-height: 2.5rem;
  padding: 0.6rem 0.95rem;
  justify-content: center;
  gap: 0.5rem;
}

.top-icon {
  width: 1.15rem;
  height: 1.15rem;
}

.top-action-label {
  display: none;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding-bottom: 1.5rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem;
}

.hero {
  padding: 1.45rem;
}

.hero-kicker {
  margin: 0;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.hero-title {
  margin: 0.45rem 0 0;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--primary);
  font-weight: 800;
}

.hero-rule {
  width: min(120px, 22vw);
  height: 1px;
  background: var(--accent);
  margin: 0.9rem 0 0.8rem;
}

.hero-text {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 70ch;
  font-size: 1.03rem;
  line-height: 1.6;
}

.hero-metrics {
  margin-top: 0.95rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.hero-metric-tab {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.9rem 0.78rem;
  background: var(--card);
}

[data-theme="dark"] .hero-metric-tab {
  background: #233029;
}

.metric-value {
  margin: 0;
  color: var(--primary);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.metric-label {
  margin: 0.32rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.panel-head h2,
.panel-head p,
h3,
h4 {
  margin: 0;
}

h2,
h3,
h4 {
  letter-spacing: -0.02em;
  color: var(--primary);
  font-weight: 800;
}

.panel-head p {
  color: var(--muted);
  margin-top: 0.3rem;
}

.admin-restricted {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  color: color-mix(in srgb, var(--danger), var(--text) 30%);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.row-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
}

.form-stack {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.45rem;
}

.field span,
legend,
.mono,
.btn,
.tag-option,
.status,
.page-info,
.tab-btn,
.stat-label,
.brand,
.site-footer {
  font-family: "DM Sans", sans-serif;
}

input,
textarea,
.controls-row select,
.switch-btn,
.btn,
.tab-btn {
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  padding: 0.72rem 0.9rem;
  font: inherit;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] .controls-row select,
[data-theme="dark"] .switch-btn,
[data-theme="dark"] .btn,
[data-theme="dark"] .tab-btn {
  background: #263128;
}

input:focus,
textarea:focus,
.switch-btn:focus,
.btn:focus,
.tab-btn:focus {
  outline: 2px solid color-mix(in srgb, var(--accent), transparent 30%);
  outline-offset: 1px;
}

textarea {
  resize: vertical;
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-option {
  border: 1px solid var(--border);
  background: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.68rem 0.92rem;
  border-radius: 999px;
  font-size: 0.84rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

.tag-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.tag-option:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent), var(--border) 40%);
}

.tag-option:has(input:checked) {
  background: color-mix(in srgb, var(--primary), transparent 88%);
  border-color: var(--primary);
  color: var(--primary);
}

.identity-note {
  color: var(--muted);
  line-height: 1.4;
}

.field-counter {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.field-counter:empty {
  display: none;
}

.field-counter.invalid {
  color: var(--danger);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-accent:hover {
  box-shadow: inset 0 0 0 2px var(--accent);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.status {
  color: var(--muted);
  font-size: 0.88rem;
}

.hidden {
  display: none;
}

.admin-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.9rem;
}

.switch-btn {
  border: 0;
  background: transparent;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
}

.switch-btn.active,
.tab-btn.active {
  background: color-mix(in srgb, var(--primary), transparent 88%);
  color: var(--primary);
}

.with-help {
  display: flex;
  gap: 0.4rem;
}

.icon-btn {
  width: 2.2rem;
  aspect-ratio: 1;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.admin-tab-nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.admin-tab-nav .tab-btn {
  width: 100%;
}

.admin-tab-nav .tab-btn {
  background: var(--card);
  color: var(--text);
}

[data-theme="dark"] .admin-tab-nav .tab-btn {
  background: #233029;
  color: var(--text);
}

.admin-tab-nav .tab-btn.active {
  background: var(--primary);
  color: #ffffff;
}

[data-theme="dark"] .admin-tab-nav .tab-btn.active {
  background: color-mix(in srgb, var(--primary), #000000 15%);
  color: #ffffff;
}

.admin-tab-nav .tab-btn:last-child {
  grid-column: 1 / -1;
}

.student-tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.student-tab-btn {
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  padding: 0.62rem 0.72rem;
  font: inherit;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

[data-theme="dark"] .student-tab-btn {
  background: #263128;
}

.student-tab-btn.active {
  background: color-mix(in srgb, var(--primary), transparent 88%);
  color: var(--primary);
}

.student-tab-content {
  display: none;
  margin-top: 1rem;
}

.student-tab-content.active {
  display: block;
}

.controls-row {
  margin-top: 0.7rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 0.55rem;
}

.tab-content {
  display: none;
  margin-top: 1rem;
}

.tab-content.active {
  display: block;
}

.entry-help {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.entry-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.7rem;
}

.entry-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  background: var(--card);
  transition: border-color 0.15s ease;
}

[data-theme="dark"] .entry-card {
  background: #202820;
}

.entry-card:hover {
  border-color: color-mix(in srgb, var(--accent), var(--border) 55%);
}

.entry-card.is-featured {
  border-top: 3px solid var(--accent);
}

.entry-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.entry-head h4 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.entry-date {
  color: var(--muted);
  font-size: 0.78rem;
}

.entry-meta {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.08rem 0.4rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--primary), transparent 60%);
  color: var(--primary);
  background: color-mix(in srgb, var(--primary), transparent 90%);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.entry-actions {
  margin-top: 0.7rem;
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.pagination {
  margin-top: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.pagination-btn {
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.pagination-icon {
  width: 1.1rem;
  height: 1.1rem;
}

.page-info {
  min-width: 7.5rem;
  text-align: center;
}

.empty-state {
  min-height: 7.5rem;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.stats-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.6rem;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.7rem;
  background: var(--card);
}

[data-theme="dark"] .stat-card {
  background: #202820;
}

.stat-value {
  margin: 0.2rem 0 0;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.chart-wrap {
  margin-top: 0.95rem;
  display: grid;
  place-items: start;
}

.admin-actions {
  margin-top: 0.75rem;
  display: grid;
  gap: 0.55rem;
}

.generated-code-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.copy-code-btn {
  width: 2.2rem;
  height: 2.2rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.copy-code-btn.hidden {
  display: none;
}

.admin-list {
  margin-top: 0.8rem;
  display: grid;
  gap: 0.5rem;
}

.admin-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem;
}

.remove-admin {
  border: 1px solid color-mix(in srgb, var(--danger), transparent 50%);
  color: var(--danger);
  background: transparent;
  border-radius: 4px;
  padding: 0.42rem 0.62rem;
  cursor: pointer;
}

.remove-admin-confirm {
  border: 1px solid color-mix(in srgb, var(--danger), transparent 50%);
  color: var(--danger);
  background: transparent;
  border-radius: 4px;
  padding: 0.42rem 0.62rem;
  cursor: pointer;
}

.site-footer {
  color: var(--muted);
  font-size: 0.83rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding: 0.5rem 0 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.site-footer p {
  margin: 0;
}

.footer-motto {
  flex: 0 0 100%;
  margin: 0;
  color: var(--primary);
  text-align: center;
  font-weight: 700;
}

.fade-up {
  animation: fadeUp 400ms ease forwards;
}

.fade-up:nth-of-type(2) {
  animation-delay: 0.08s;
}

.fade-up:nth-of-type(3) {
  animation-delay: 0.14s;
}

.fade-up:nth-of-type(4) {
  animation-delay: 0.2s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 760px) {
  .top-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
  }

  .brand-wrap {
    gap: 0;
  }

  .brand {
    font-size: 1.22rem;
    letter-spacing: 0.012em;
    gap: 0.5rem;
  }

  .brand-logo {
    width: 2.1rem;
    height: 2.1rem;
  }

  .brand-sub {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    align-self: center;
    min-height: 0;
    padding: 0.15rem;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: #000000;
    appearance: none;
  }

  .menu-toggle .top-icon {
    width: 1.35rem;
    height: 1.35rem;
  }

  .menu-toggle .top-icon path {
    stroke-width: 2.6;
  }

  .top-controls {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.25rem);
    flex-direction: column;
    gap: 0.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.5rem;
    z-index: 999;
  }

  .top-controls.open {
    display: flex;
    min-width: 11.25rem;
  }

  .top-controls.open .top-icon-btn {
    width: 100%;
    height: auto;
    padding: 0.56rem 0.66rem;
    justify-content: flex-start;
    gap: 0.5rem;
  }

  .top-controls.open .top-action-label {
    display: inline;
  }

  .row-head {
    flex-wrap: nowrap;
    align-items: center;
  }

  .row-head h2 {
    font-size: 1.15rem;
    flex: 1 1 auto;
  }

  .row-head .btn {
    flex: 0 0 auto;
    white-space: nowrap;
    padding-inline: 0.75rem;
  }

  .row-head {
    gap: 0.5rem;
  }

  .admin-tab-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .student-tab-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
  }

  .student-tab-btn {
    width: 100%;
    min-width: 0;
    padding-inline: 0.5rem;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .admin-tab-nav .tab-btn:last-child {
    grid-column: 1 / -1;
  }

  .admin-tab-nav .tab-btn {
    padding-inline: 0.55rem;
    font-size: 0.72rem;
  }

  .pagination {
    justify-content: space-between;
  }

  .page-info {
    min-width: 0;
    flex: 1 1 auto;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.2rem;
  }

  .controls-row {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .student-tab-btn {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    padding-inline: 0.42rem;
  }
}