:root {
  /* Mid America LONE palette (from _img/50s.jpg + MAL-O.1.png) */
  --navy: #1b365d;
  --navy-deep: #0b253a;
  --slate: #8a9bab;
  --silver: #d1d5d8;
  --silver-soft: #e8eef1;
  --ink: #0b253a;
  --muted: #5c6b7a;
  --paper: #f4f6f8;
  --paper-deep: #e2e8ec;
  --accent: #1b365d;
  --accent-dark: #0b253a;
  --accent-soft: #8a9bab;
  --danger: #8b2e2e;
  --ok: #2f6b4f;
  --card: #ffffff;
  --shadow: 0 12px 40px rgba(11, 37, 58, 0.14);
  --font-display: "Segoe UI", "Helvetica Neue", sans-serif;
  --font-body: "Segoe UI", "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 45% at 0% 0%, rgba(27, 54, 93, 0.1), transparent 55%),
    radial-gradient(ellipse 55% 40% at 100% 0%, rgba(138, 155, 171, 0.22), transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
  line-height: 1.5;
}

a {
  color: var(--accent);
}

.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(27, 54, 93, 0.12);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
  line-height: 0;
}

.site-logo__img {
  display: block;
  height: 52px;
  width: auto;
  max-width: min(240px, 55vw);
  object-fit: contain;
}

body.exam-mode {
  background:
    radial-gradient(ellipse 60% 40% at 50% 0%, rgba(138, 155, 171, 0.18), transparent 55%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-deep) 100%);
}

.site-main--exam {
  padding-top: 1.5rem;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--slate);
}

.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.site-footer {
  max-width: none;
  margin: 0;
  padding: 2rem 1.25rem 2.5rem;
  color: var(--silver);
  font-size: 0.85rem;
  border-top: none;
  background: var(--navy-deep);
}

.site-footer__inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr minmax(0, 22rem) 1fr;
  align-items: center;
  gap: 1rem;
}

.site-footer__center {
  text-align: center;
}

.site-footer__copy {
  margin: 0 0 0.4rem;
  color: #fff;
  font-weight: 600;
}

.site-footer__legal {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin-bottom: 0.75rem;
}

.site-footer__legal a {
  color: var(--silver);
  text-decoration: none;
  font-weight: 600;
}

.site-footer__legal a:hover {
  color: #fff;
  text-decoration: underline;
}

.site-footer__sep {
  color: var(--slate);
}

.site-footer__note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: rgba(209, 213, 216, 0.75);
}

.site-footer__side--right {
  display: flex;
  justify-content: flex-end;
}

.site-footer__logo {
  display: inline-flex;
  line-height: 0;
}

.site-footer__logo img {
  display: block;
  height: 48px;
  width: auto;
  object-fit: contain;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
  color: var(--navy);
}

.legal-page__effective {
  margin: 0 0 1.25rem;
}

.legal-page h2 {
  margin: 1.6rem 0 0.5rem;
  font-size: 1.1rem;
  color: var(--navy);
}

.legal-page p,
.legal-page li {
  max-width: 44rem;
  line-height: 1.55;
}

.legal-page ul {
  margin: 0.4rem 0 0.85rem;
  padding-left: 1.25rem;
  max-width: 44rem;
}

.legal-page li {
  margin: 0.3rem 0;
}

.faq-item {
  margin: 0 0 1.35rem;
}

.faq-item h2 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  color: var(--navy);
}

.faq-item p {
  margin: 0;
  color: var(--ink);
  max-width: 42rem;
}

@media (max-width: 700px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__side--left {
    display: none;
  }

  .site-footer__side--right {
    justify-content: center;
    order: -1;
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  color: var(--navy);
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 38rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
}

.hero-actions .btn {
  margin: 0;
}

@media (max-width: 560px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

  .hero-actions .btn {
    width: 100%;
    max-width: 20rem;
    text-align: center;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 0.4rem;
  padding: 0.75rem 1.25rem;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--navy);
  color: #fff;
}

.btn-primary:hover {
  background: var(--navy-deep);
}

.btn-secondary {
  background: transparent;
  color: var(--navy);
  border: 1px solid rgba(27, 54, 93, 0.28);
}

.btn-secondary:hover {
  background: rgba(138, 155, 171, 0.18);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid rgba(139, 46, 46, 0.35);
}

.btn-danger:hover {
  background: rgba(139, 46, 46, 0.08);
}

.quiz-progress {
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 1rem;
}

.quiz-card {
  background: var(--card);
  border-radius: 0.75rem;
  padding: 1.5rem 1.5rem 1.25rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(27, 54, 93, 0.1);
}

.quiz-card h2 {
  font-size: 1.25rem;
  margin: 0 0 1.25rem;
  line-height: 1.35;
  color: var(--navy-deep);
}

.choices {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.choice {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(27, 54, 93, 0.14);
  border-radius: 0.5rem;
  cursor: pointer;
  background: #fff;
}

.choice:hover {
  border-color: var(--navy);
  background: var(--silver-soft);
}

.choice input {
  margin-top: 0.2rem;
  accent-color: var(--navy);
}

.choice__letter {
  font-weight: 700;
  color: var(--navy);
  min-width: 1.25rem;
}

.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.quiz-actions__right {
  display: flex;
  gap: 0.75rem;
  margin-left: auto;
}

.results-summary {
  background: var(--card);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(27, 54, 93, 0.1);
}

.complete-card {
  text-align: center;
  max-width: 32rem;
  margin: 3rem auto;
  padding: 2rem 1.5rem;
}

.complete-card h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
  color: var(--navy);
}

.complete-score {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.complete-thanks {
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.complete-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.results-summary h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  color: var(--navy);
}

.results-summary .score {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
}

.result-item {
  background: var(--card);
  border-radius: 0.5rem;
  padding: 1rem 1.15rem;
  margin-bottom: 0.75rem;
  border-left: 4px solid var(--slate);
}

.result-item.correct {
  border-left-color: var(--ok);
}

.result-item.incorrect {
  border-left-color: var(--danger);
}

.result-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.result-meta {
  font-size: 0.92rem;
  color: var(--muted);
}

.result-meta strong {
  color: var(--ink);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(11, 37, 58, 0.62);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.lightbox.is-open {
  display: flex;
}

.lightbox__panel {
  background: #fff;
  border-radius: 0.75rem;
  padding: 1.5rem 1.75rem;
  max-width: 22rem;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(27, 54, 93, 0.12);
}

.lightbox__panel p {
  margin: 0 0 1rem;
  font-weight: 600;
  color: var(--navy);
}

.lightbox__actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

/* Confirmation pattern: Yes (confirm) on the left, No (cancel) on the right */
.lightbox__actions--confirm {
  flex-direction: row;
}

.spinner {
  width: 2.25rem;
  height: 2.25rem;
  border: 3px solid rgba(138, 155, 171, 0.35);
  border-top-color: var(--navy);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-box {
  background: #fdeeee;
  color: var(--danger);
  border: 1px solid rgba(139, 46, 46, 0.25);
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.error-box ul {
  margin: 0;
  padding-left: 1.1rem;
}

.ok-box {
  background: #eef7f1;
  color: var(--ok);
  border: 1px solid rgba(47, 107, 79, 0.28);
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
}

.muted {
  color: var(--muted);
}

.site-header__parent {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.site-header__parent a {
  text-decoration: none;
  font-weight: 600;
  color: var(--navy);
}

.site-header__parent a:hover {
  text-decoration: underline;
}

.hero--home {
  margin-bottom: 1.5rem;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.auth-panel {
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.75rem;
  padding: 1.35rem 1.4rem;
  box-shadow: var(--shadow);
}

.auth-panel--narrow {
  max-width: 28rem;
  margin: 0 auto 2rem;
}

.auth-panel h1,
.auth-panel h2 {
  margin: 0 0 1rem;
  color: var(--navy);
  font-size: 1.35rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
}

.signup-student-block {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--slate);
  padding: 0.95rem 1rem;
  border-radius: 0.5rem;
}

.signup-student-block label {
  color: #fff;
}

.signup-student-block .field-hint {
  color: rgba(255, 255, 255, 0.85);
}

.auth-form input,
.auth-form select,
.auth-form textarea {
  font: inherit;
  font-weight: 400;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(27, 54, 93, 0.22);
  border-radius: 0.4rem;
  background: #fff;
}

.auth-form textarea {
  resize: vertical;
  min-height: 8rem;
}

.projects-section {
  margin: 0 0 2.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(27, 54, 93, 0.12);
  text-align: center;
}

.projects-section h2 {
  margin: 1.5rem 0 0.5rem;
  color: var(--navy);
  font-size: 1.35rem;
}

.projects-section__intro {
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.project-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.project-card__title {
  margin: 0;
  font-size: 1.15rem;
  color: var(--navy);
}

.project-card__title a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 650;
}

.project-card__title a:hover {
  text-decoration: underline;
}

.project-card__media {
  display: block;
  width: 100%;
  line-height: 0;
}

.project-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 0.5rem;
}

.project-card__desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 22rem;
}

.project-card__desc a {
  color: var(--navy);
  font-weight: 650;
}

.project-card--idea .project-card__title {
  font-size: 1.15rem;
}

@media (max-width: 800px) {
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

.field-hint {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--muted);
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.dash-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.dash-head h1 {
  margin: 0 0 0.35rem;
  color: var(--navy);
}

.dash-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.dash-state {
  margin: 0.35rem 0 0;
}

.student-location {
  margin: 0.25rem 0 0.75rem;
  font-weight: 600;
  color: var(--navy);
}

.inline-form {
  display: inline;
}

.student-block {
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.75rem;
  padding: 1.2rem 1.35rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow);
}

.student-block__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.student-block h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.25rem;
}

.student-block h3 {
  margin: 1.1rem 0 0.5rem;
  font-size: 1rem;
  color: var(--navy);
}

.length-form {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: fit-content;
  max-width: 100%;
  gap: 0.75rem;
}

.length-form fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}

.length-form legend {
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.length-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem 1rem;
}

.length-option {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}

.length-form__save {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: 0.45rem;
}

.length-saved {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ok);
  animation: saved-pulse 1.2s ease;
}

.student-block--just-saved {
  outline: 2px solid rgba(47, 107, 79, 0.45);
  outline-offset: 2px;
}

@keyframes saved-pulse {
  0% {
    opacity: 0;
    transform: translateY(4px);
  }
  30% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 1;
  }
}

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

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.results-table th,
.results-table td {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid rgba(27, 54, 93, 0.12);
}

.results-table th {
  color: var(--navy);
  font-weight: 700;
}

.results-table tr.is-abandoned td {
  color: var(--muted);
  font-style: italic;
}

.btn-icon {
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
}

.lightbox__panel--form {
  max-width: 26rem;
  text-align: left;
}

.lightbox__panel--form h2 {
  margin: 0 0 0.85rem;
  color: var(--navy);
  text-align: left;
}

.good-luck {
  transition: opacity 3s ease;
  opacity: 1;
  pointer-events: none;
  background: rgba(11, 37, 58, 0.45);
}

.good-luck.is-fading {
  opacity: 0;
}

.good-luck__panel {
  max-width: 20rem;
}

.good-luck__text {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
}

.study-guides-lightbox.is-open {
  backdrop-filter: blur(2px);
}

.lightbox__panel--study {
  position: relative;
  max-width: min(56rem, 94vw);
  width: 100%;
  max-height: min(88vh, 42rem);
  overflow: auto;
  text-align: left;
  padding: 1.5rem 1.75rem 1.6rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(27, 54, 93, 0.16);
  box-shadow: 0 24px 60px rgba(11, 37, 58, 0.35);
  background: #fff;
}

.study-guides__x {
  position: absolute;
  top: 0.55rem;
  right: 0.65rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border: 0;
  border-radius: 999px;
  background: rgba(27, 54, 93, 0.08);
  color: var(--navy);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.study-guides__x:hover {
  background: rgba(27, 54, 93, 0.16);
}

.study-guides__head {
  display: block;
  margin: 0 2rem 0.55rem 0;
}

.study-guides__head h2 {
  margin: 0;
  color: var(--navy);
  font-size: 1.4rem;
  text-align: left;
}

.study-guides__intro {
  margin: 0 0 1rem;
  padding-right: 1.5rem;
}

.study-guides__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-template-rows: repeat(10, auto);
  grid-auto-flow: column;
  gap: 0.4rem 1.1rem;
}

.study-guides__list li {
  min-width: 0;
}

.study-guides__item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.15rem 0;
}

.study-guides__name {
  font-weight: 600;
  color: var(--navy);
  line-height: 1.25;
}

.study-guides__langs {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.2;
}

.study-guides__list a {
  font-weight: 700;
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.study-guides__list a:hover {
  color: var(--accent-dark);
}

.study-guides__lang-sep {
  color: var(--muted);
}

.study-guides__lang-off {
  color: var(--muted);
  font-weight: 600;
  opacity: 0.55;
}

.study-guides__nolink {
  color: var(--muted);
}

@media (max-width: 900px) {
  .study-guides__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: none;
    grid-auto-flow: row;
  }
}

@media (max-width: 560px) {
  .lightbox__panel--study {
    padding: 1.15rem 1rem 1.2rem;
  }

  .study-guides__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 800px) {
  .auth-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .quiz-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .quiz-actions__right {
    margin-left: 0;
    width: 100%;
  }

  .quiz-actions .btn {
    width: 100%;
  }
}

.admin-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.admin-head h1 {
  margin: 0 0 0.25rem;
  color: var(--navy);
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.75rem;
  padding: 0.9rem 1.1rem;
}

.admin-toolbar label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.admin-toolbar select {
  font: inherit;
  font-weight: 400;
  min-width: 12rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid rgba(27, 54, 93, 0.22);
  border-radius: 0.4rem;
}

.admin-actions-top {
  margin-bottom: 1rem;
  position: sticky;
  top: 0.5rem;
  z-index: 15;
  background: rgba(244, 246, 248, 0.94);
  padding: 0.5rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.admin-actions-bottom {
  margin: 1.75rem 0 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: center;
}

.admin-page-meta {
  margin: 0 0 0.75rem;
}

.admin-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
}

.admin-pagination__status {
  font-weight: 600;
  color: var(--navy-deep);
}

.admin-abandoned-wrap {
  position: relative;
  display: inline-flex;
}

.admin-hover-tip {
  position: absolute;
  left: 0;
  top: calc(100% + 0.45rem);
  z-index: 40;
  display: none;
  width: min(22rem, 90vw);
  padding: 0.55rem 0.7rem;
  background: var(--navy-deep);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.35;
  border-radius: 0.45rem;
  box-shadow: 0 8px 20px rgba(11, 37, 58, 0.25);
  pointer-events: none;
}

.admin-abandoned-wrap:hover .admin-hover-tip,
.admin-abandoned-wrap:focus-within .admin-hover-tip {
  display: block;
}

.admin-hover-tip--above {
  top: auto;
  bottom: calc(100% + 0.45rem);
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
}

.admin-card-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11rem 4.75rem;
  gap: 0.75rem 1rem;
  align-items: center;
  padding: 0.85rem 1rem;
}

.admin-list__header {
  background: rgba(27, 54, 93, 0.1);
  font-weight: 700;
  color: var(--navy);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 0.65rem;
  border: 1px solid rgba(27, 54, 93, 0.12);
}

.admin-card {
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.14);
  border-radius: 0.75rem;
  box-shadow: 0 8px 24px rgba(11, 37, 58, 0.08);
  overflow: hidden;
}

.admin-parent {
  border-top: 0;
}

.admin-parent__summary {
  list-style: none;
  cursor: pointer;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
}

.admin-parent__summary::-webkit-details-marker {
  display: none;
}

.admin-parent__summary:hover {
  background: #f3f6f9;
}

.admin-expand {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(-45deg);
  margin-right: 0.65rem;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}

.admin-parent[open] > .admin-parent__summary .admin-expand {
  transform: rotate(45deg);
}

.admin-card__body {
  padding: 0.55rem 0.75rem 0.75rem;
  background: rgba(138, 155, 171, 0.1);
  border-top: 1px solid rgba(27, 54, 93, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-card--student {
  background: #fff;
  box-shadow: none;
  margin: 0;
}

.admin-col--name {
  display: flex;
  align-items: center;
  min-width: 0;
}

.admin-identity {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  min-width: 0;
}

.admin-identity strong {
  color: var(--navy);
  font-size: 1.02rem;
}

.admin-role {
  display: inline-block;
  width: fit-content;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  background: rgba(27, 54, 93, 0.1);
  border-radius: 0.3rem;
  padding: 0.12rem 0.4rem;
  margin-bottom: 0.1rem;
}

.admin-card--student .admin-role {
  background: rgba(138, 155, 171, 0.28);
}

.admin-col--login {
  font-size: 0.9rem;
  color: var(--muted);
}

.admin-col-label {
  display: none;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--navy);
  margin-bottom: 0.15rem;
}

.admin-col--check {
  text-align: center;
}

.admin-student--empty {
  padding: 0.65rem 0.85rem;
  background: transparent;
  border: 0;
}

@media (max-width: 700px) {
  .admin-card-row {
    grid-template-columns: minmax(0, 1fr) 3.5rem;
  }

  .admin-col--login {
    grid-column: 1 / -1;
    padding-left: 1.4rem;
  }

  .admin-list__header .admin-col--login {
    display: none;
  }

  .admin-col-label {
    display: block;
  }
}

.admin-charts {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.admin-chart-card {
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.75rem;
  padding: 1.1rem 1.2rem 1.25rem;
  box-shadow: var(--shadow);
}

.admin-chart-card h2 {
  margin: 0 0 0.75rem;
  color: var(--navy);
  font-size: 1.15rem;
}

.admin-toolbar--charts {
  align-items: flex-end;
}

.admin-toolbar--charts input[type="date"] {
  font: inherit;
  font-weight: 400;
  padding: 0.45rem 0.6rem;
  border: 1px solid rgba(27, 54, 93, 0.22);
  border-radius: 0.4rem;
  min-width: 10rem;
}

.admin-toolbar__apply {
  display: flex;
  align-items: flex-end;
  padding-bottom: 0.1rem;
}

.admin-chart-summary {
  margin: 0;
}

.admin-chart-summary-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin: 0 0 1rem;
}

.admin-chart-wrap {
  position: relative;
  height: 260px;
  width: 100%;
}

.admin-chart-wrap--tall {
  height: 320px;
}

.admin-guides-wrap {
  margin-bottom: 2rem;
}

.admin-guides-table th,
.admin-guides-table td {
  vertical-align: middle;
}

.admin-guide-upload {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.admin-guide-upload input[type="file"] {
  max-width: 12rem;
  font-size: 0.8rem;
}

.admin-guide-link-cell {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.admin-guide-edit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  padding: 0;
  border: 1px solid rgba(27, 54, 93, 0.22);
  border-radius: 0.35rem;
  background: #fff;
  color: var(--navy);
  cursor: pointer;
}

.admin-guide-edit:hover,
.admin-guide-edit:focus-visible {
  background: rgba(27, 54, 93, 0.08);
  outline: none;
}

.admin-guide-link-hint {
  margin: -0.35rem 0 0.85rem;
  font-size: 0.85rem;
}

.recaptcha-holder {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.home-ads {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.home-ads .home-ad-link {
  display: block;
  line-height: 0;
}

.home-ads img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.45rem;
  border: 1px solid rgba(27, 54, 93, 0.12);
}

.admin-ad-link-row {
  margin-top: 0.35rem;
  font-size: 0.85rem;
  word-break: break-all;
}

.admin-ads-section {
  margin-bottom: 2rem;
}

.admin-ads-section h2 {
  margin: 0 0 0.35rem;
  color: var(--navy);
}

.admin-ads-tracking-link {
  margin: 0 0 0.85rem;
}

.admin-ad-space {
  margin: 1.25rem 0 1.75rem;
  padding: 1rem 1.1rem 1.15rem;
  background: var(--card);
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}

.admin-ad-space__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(27, 54, 93, 0.1);
}

.admin-ad-space__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.85rem 1.25rem;
}

.admin-ad-space__head h3 {
  margin: 0 0 0.35rem;
  color: var(--navy);
}

.admin-ad-display-toggle {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
  margin: 0.15rem 0 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
}

.admin-ad-display-toggle__label {
  letter-spacing: 0.03em;
}

.admin-ad-display-toggle label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 600;
  cursor: pointer;
}

.admin-ad-space__body {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.9fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .admin-ad-space__body {
    grid-template-columns: 1fr;
  }
}

.admin-ad-queue h4,
.admin-ad-add h4 {
  margin: 0 0 0.55rem;
  color: var(--navy);
  font-size: 1rem;
}

.admin-ad-campaign-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.admin-ad-campaign {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 0.9fr);
  gap: 0.85rem;
  padding: 0.75rem;
  border: 1px solid rgba(27, 54, 93, 0.12);
  border-radius: 0.55rem;
  background: rgba(244, 246, 248, 0.65);
}

@media (max-width: 700px) {
  .admin-ad-campaign {
    grid-template-columns: 1fr;
  }
}

.admin-ad-preview {
  margin-top: 0.45rem;
}

.admin-ad-preview img {
  display: block;
  max-width: 160px;
  height: auto;
  border-radius: 0.35rem;
  border: 1px solid rgba(27, 54, 93, 0.15);
}

.admin-ad-upload,
.admin-ad-upload--dates {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  max-width: 18rem;
}

.admin-ad-upload label,
.admin-ad-upload--dates label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
}

.admin-ad-upload input[type="file"],
.admin-ad-upload input[type="datetime-local"],
.admin-ad-upload input[type="url"],
.admin-ad-upload--dates input[type="datetime-local"],
.admin-ad-upload--dates input[type="url"] {
  font: inherit;
  font-weight: 400;
}

.admin-ad-remove {
  margin-top: 0.65rem;
}

.admin-ad-dates {
  margin-top: 0.35rem;
}

.admin-ad-status {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.admin-ad-status--default {
  color: var(--muted);
}

.admin-ad-status--scheduled {
  color: #8a5a00;
}

.admin-ad-status--active {
  color: #1a6b3c;
}

.admin-ad-advertiser {
  margin-top: 0.35rem;
  color: var(--navy);
}

.admin-ad-advertiser-select {
  font: inherit;
  font-weight: 400;
  padding: 0.4rem 0.5rem;
}