/* Pi Leo Academy premium shared layer
   Loaded last so the established Flask templates gain one cohesive, accessible
   design language without replacing their working component structure. */

:root {
  --academy-navy-950: #0a1f38;
  --academy-navy-900: #102a43;
  --academy-navy-800: #173f67;
  --academy-blue-700: #1e56c5;
  --academy-blue-600: #2864dc;
  --academy-blue-500: #3c78ea;
  --academy-blue-100: #e8f0ff;
  --academy-teal-700: #087d69;
  --academy-teal-600: #0c9278;
  --academy-teal-100: #dcf7f0;
  --academy-gold-500: #f3b61f;
  --academy-coral-500: #f46f68;
  --academy-violet-500: #7968e8;
  --academy-ink: #142b45;
  --academy-muted: #5a6b7e;
  --academy-line: #dbe4ee;
  --academy-canvas: #f7f9fc;
  --academy-white: #ffffff;
  --academy-shadow-sm: 0 8px 24px rgba(16, 42, 67, 0.08);
  --academy-shadow-md: 0 18px 50px rgba(16, 42, 67, 0.12);
  --academy-shadow-lg: 0 30px 80px rgba(10, 31, 56, 0.16);
  --academy-radius-sm: 12px;
  --academy-radius-md: 20px;
  --academy-radius-lg: 30px;

  --primary: var(--academy-blue-600);
  --primary-dark: var(--academy-blue-700);
  --primary-light: var(--academy-blue-500);
  --primary-tint: var(--academy-blue-100);
  --secondary: var(--academy-teal-600);
  --secondary-dark: var(--academy-teal-700);
  --secondary-tint: var(--academy-teal-100);
  --ink: var(--academy-ink);
  --ink-light: var(--academy-muted);
  --border: var(--academy-line);
  --bg: var(--academy-canvas);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

.academy-site {
  color: var(--academy-ink);
  background: var(--academy-white);
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.academy-site h1,
.academy-site h2,
.academy-site h3,
.academy-site h4,
.academy-site .brand strong {
  color: var(--academy-navy-900);
  font-family: "Sora", "DM Sans", system-ui, sans-serif;
  letter-spacing: -0.035em;
}

.academy-site p,
.academy-site li {
  line-height: 1.7;
}

.academy-site a,
.academy-site button,
.academy-site input,
.academy-site select,
.academy-site textarea,
.academy-site summary {
  -webkit-tap-highlight-color: transparent;
}

.academy-site a:focus-visible,
.academy-site button:focus-visible,
.academy-site input:focus-visible,
.academy-site select:focus-visible,
.academy-site textarea:focus-visible,
.academy-site summary:focus-visible,
.academy-site [tabindex]:focus-visible {
  outline: 3px solid #f0a800;
  outline-offset: 3px;
}

.skip-link {
  z-index: 100000;
  padding: 0.8rem 1rem;
  border-radius: 0 0 10px 0;
  background: var(--academy-navy-950);
  color: #fff;
  font-weight: 800;
}

.academy-site .container {
  width: min(1180px, calc(100% - 40px));
}

/* Shared buttons */
.academy-site .btn {
  min-height: 46px;
  padding: 0.72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 750;
  letter-spacing: -0.01em;
  box-shadow: none;
  transform: none;
}

.academy-site .btn:hover {
  transform: translateY(-2px);
}

.academy-site .btn-primary {
  border-color: var(--academy-blue-600);
  background: var(--academy-blue-600);
  color: #fff;
  box-shadow: 0 10px 24px rgba(40, 100, 220, 0.22);
}

.academy-site .btn-primary:hover {
  border-color: var(--academy-blue-700);
  background: var(--academy-blue-700);
  color: #fff;
  box-shadow: 0 14px 30px rgba(30, 86, 197, 0.26);
}

.academy-site .btn-secondary {
  border-color: #bfcbda;
  background: #fff;
  color: var(--academy-navy-900);
}

.academy-site .btn-secondary:hover {
  border-color: var(--academy-blue-500);
  background: var(--academy-blue-100);
  color: var(--academy-blue-700);
}

.academy-site .btn-text {
  color: var(--academy-blue-700);
}

.academy-site .btn-large {
  min-height: 54px;
  padding: 0.92rem 1.45rem;
  border-radius: 14px;
  font-size: 1rem;
}

.academy-site .eyebrow,
.academy-kicker {
  color: var(--academy-blue-700);
  font-size: 0.77rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Header and navigation */
.academy-site .site-header {
  position: relative;
  z-index: 1000;
  border: 0;
  background: #fff;
  box-shadow: 0 1px 0 rgba(16, 42, 67, 0.08);
}

.academy-site .announcement-bar {
  min-height: 36px;
  background: var(--academy-navy-950);
  color: #eaf1fa;
}

.academy-site .announcement-inner {
  min-height: 36px;
  gap: 1rem;
  padding-block: 0.35rem;
}

.academy-site .announcement-inner p {
  margin: 0;
  color: #eaf1fa;
  font-size: 0.79rem;
  line-height: 1.35;
}

.academy-site .announcement-inner strong {
  color: #fff;
}

.academy-site .announcement-inner a {
  flex: none;
  color: #8ee2d1;
  font-size: 0.79rem;
  font-weight: 800;
  text-decoration: none;
}

.academy-site .announcement-inner a:hover {
  color: #fff;
}

.academy-site .nav-wrap {
  border: 0;
  background: rgba(255, 255, 255, 0.98);
}

.academy-site .nav-inner {
  min-height: 82px;
  gap: 1.5rem;
}

.academy-site .brand {
  flex: none;
  gap: 0.65rem;
  text-decoration: none;
}

.academy-site .brand img {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  object-fit: contain;
}

.academy-site .brand strong {
  color: var(--academy-navy-900);
  font-size: 1rem;
  font-weight: 800;
}

.academy-site .brand small {
  margin-top: 0.05rem;
  color: var(--academy-muted);
  font-size: 0.68rem;
  letter-spacing: 0.015em;
}

.academy-site .site-nav {
  flex: 1;
  justify-content: flex-end;
  gap: 0.05rem;
}

.academy-site .site-nav > a:not(.btn),
.academy-site .nav-account-link {
  min-height: 44px;
  padding: 0.75rem 0.72rem;
  border-radius: 10px;
  color: #364c63;
  font-size: 0.89rem;
  font-weight: 700;
  text-decoration: none;
}

.academy-site .site-nav > a:not(.btn):hover,
.academy-site .site-nav > a:not(.btn).is-active,
.academy-site .nav-account-link:hover {
  background: var(--academy-blue-100);
  color: var(--academy-blue-700);
}

.academy-site .site-nav > a.is-active {
  box-shadow: inset 0 -2px 0 var(--academy-blue-600);
}

.academy-site .nav-account-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.45rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--academy-line);
}

.academy-site .site-nav .nav-cta {
  min-height: 44px;
  margin: 0;
  padding: 0.68rem 1rem;
  color: #fff;
  font-size: 0.88rem;
}

.academy-site .nav-toggle {
  width: 46px;
  height: 46px;
  border: 1px solid var(--academy-line);
  border-radius: 12px;
  background: #fff;
}

.academy-site .nav-toggle span {
  background: var(--academy-navy-900);
}

/* Shared content surfaces */
.academy-site .section {
  padding-block: clamp(4rem, 7vw, 6.5rem);
}

.academy-site .section-alt {
  background: var(--academy-canvas);
}

.academy-site .info-card,
.academy-site .quiz-topic-card,
.academy-site .quiz-year-card,
.academy-site .table-card,
.academy-site .record-card,
.academy-site .stat-card {
  border-color: var(--academy-line);
  box-shadow: var(--academy-shadow-sm);
}

.academy-site .quiz-difficulty-challenge {
  background: #ece9ff;
  color: #5142bd;
}

.academy-site .quiz-jump-panel {
  margin: 1rem 0;
  border: 1px solid var(--academy-line);
  border-radius: 14px;
  background: #fff;
}

.academy-site .quiz-jump-panel summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  color: var(--academy-navy-900);
  cursor: pointer;
  font-weight: 800;
  list-style-position: inside;
}

.academy-site .quiz-jump-panel summary span {
  color: var(--academy-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.academy-site .quiz-jump-panel .quiz-nav-dots {
  max-height: 210px;
  margin: 0;
  padding: 0.75rem;
  overflow-y: auto;
  border-top: 1px solid var(--academy-line);
}

.academy-site .flash-stack {
  position: relative;
  z-index: 900;
  margin-top: 1rem;
}

.academy-site .flash {
  border-radius: 12px;
  font-weight: 650;
}

.academy-final-cta {
  padding-block: 4.5rem !important;
  background: linear-gradient(135deg, #eff5ff 0%, #f0fbf8 100%);
}

.academy-final-cta .cta-banner {
  padding: clamp(1.7rem, 4vw, 3rem);
  border: 1px solid rgba(40, 100, 220, 0.14);
  border-radius: var(--academy-radius-lg);
  background: #fff;
  box-shadow: var(--academy-shadow-md);
}

/* Footer */
.academy-site .site-footer {
  padding-top: 4.5rem;
  border: 0;
  background: var(--academy-navy-950);
  color: #d9e4ef;
}

.academy-site .site-footer .footer-grid {
  grid-template-columns: 1.5fr repeat(3, minmax(130px, 0.8fr)) 1.25fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: start;
}

.academy-site .site-footer .brand strong,
.academy-site .site-footer h3 {
  color: #fff;
}

.academy-site .site-footer .brand small,
.academy-site .footer-copy,
.academy-site .footer-newsletter-column > p {
  color: #aabed1;
}

.academy-site .footer-copy {
  max-width: 32rem;
  margin-top: 1.1rem;
  font-size: 0.91rem;
  line-height: 1.65;
}

.academy-site .footer-mini-trust {
  margin: 1rem 0 0;
  color: #86a0b8;
  font-size: 0.78rem;
}

.academy-site .site-footer h3 {
  margin-bottom: 1rem;
  font-family: "DM Sans", system-ui, sans-serif;
  font-size: 0.83rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.academy-site .footer-links {
  gap: 0.55rem;
}

.academy-site .footer-links a,
.academy-site .footer-inline-links a,
.academy-site .newsletter-consent a {
  color: #c1d0df;
  font-size: 0.87rem;
  text-decoration: none;
}

.academy-site .footer-links a {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
}

.academy-site .footer-links a:hover,
.academy-site .footer-inline-links a:hover,
.academy-site .newsletter-consent a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.academy-site .newsletter-card {
  padding: 0;
  border: 0;
  background: transparent;
}

.academy-site .newsletter-card input {
  min-height: 46px;
  border-color: #536c84;
  background: #102e4d;
  color: #fff;
}

.academy-site .newsletter-card input::placeholder {
  color: #aabed1;
  opacity: 1;
}

.academy-site .newsletter-consent {
  color: #8ea5bb;
  font-size: 0.7rem;
  line-height: 1.45;
}

.academy-site .footer-bottom {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem 2rem;
  align-items: start;
  margin-top: 3rem;
  padding-block: 1.7rem;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  color: #8fa6bc;
}

.academy-site .footer-bottom > p {
  margin: 0;
  font-size: 0.75rem;
}

.academy-site .footer-disclaimer {
  text-align: right;
}

.academy-site .footer-inline-links {
  grid-column: 1 / -1;
  justify-content: flex-start;
  gap: 1.2rem;
}

/* Accessible help chat */
.academy-chat-widget {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 9999;
  font-family: "DM Sans", system-ui, sans-serif;
}

.academy-chat-widget #chat-toggle {
  display: flex;
  width: 54px;
  height: 54px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: var(--academy-navy-900);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(10, 31, 56, 0.28);
}

.academy-chat-widget #chat-toggle:hover {
  background: var(--academy-blue-600);
  transform: translateY(-2px);
}

.academy-chat-widget #chat-panel {
  position: absolute;
  right: 0;
  bottom: 66px;
  display: none;
  width: min(360px, calc(100vw - 32px));
  max-height: min(520px, calc(100vh - 120px));
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--academy-line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--academy-shadow-lg);
}

.academy-chat-widget .chat-panel__header {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  padding: 1rem 1.15rem;
  background: var(--academy-navy-900);
  color: #fff;
  font-weight: 800;
}

.academy-chat-widget #chat-messages {
  display: flex;
  min-height: 250px;
  max-height: 330px;
  flex: 1;
  flex-direction: column;
  gap: 0.7rem;
  overflow-y: auto;
  padding: 1rem;
}

.academy-chat-widget #chat-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--academy-line);
  background: var(--academy-canvas);
}

.academy-chat-widget #chat-input {
  min-width: 0;
  min-height: 44px;
  flex: 1;
  padding: 0.7rem 0.8rem;
  border: 1px solid #b8c6d5;
  border-radius: 10px;
  font: inherit;
}

.academy-chat-widget #chat-form button {
  min-width: 64px;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: var(--academy-blue-600);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.academy-site .sticky-trial {
  display: none;
}

/* Admin content quality gate */
.quality-gate-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--academy-line);
  border-radius: 14px;
}

.quality-gate-card--review {
  border-color: #efd59a;
  background: #fff9e9;
}

.quality-gate-card--ready {
  border-color: #a9ddcf;
  background: #edfaf6;
}

.quality-gate-card__label {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--academy-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quality-gate-card strong {
  display: block;
}

.quality-issue-list {
  margin-bottom: 1rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--academy-line);
  border-radius: 12px;
  background: #fff;
}

.quality-issue-list summary {
  cursor: pointer;
  font-weight: 800;
}

.originality-check {
  align-items: flex-start !important;
  padding: 1rem;
  border: 1px solid #a9ddcf;
  border-radius: 12px;
  background: #edfaf6;
}

.originality-check input {
  flex: none;
  margin-top: 0.2rem;
}

.originality-check span,
.originality-check small {
  display: block;
}

.originality-check small {
  margin-top: 0.25rem;
  color: var(--academy-muted);
  line-height: 1.5;
}

@media (max-width: 1120px) {
  .academy-site .nav-inner {
    gap: 0.75rem;
  }

  .academy-site .site-nav > a:not(.btn),
  .academy-site .nav-account-link {
    padding-inline: 0.5rem;
    font-size: 0.82rem;
  }

  .academy-site .site-footer .footer-grid {
    grid-template-columns: 1.5fr repeat(2, 1fr);
  }

  .academy-site .footer-brand-column,
  .academy-site .footer-newsletter-column {
    grid-column: auto;
  }
}

@media (max-width: 920px) {
  .academy-site .nav-inner {
    min-height: 72px;
  }

  .academy-site .site-nav {
    top: calc(100% - 1px);
    gap: 0.3rem;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 0.75rem;
    border: 1px solid var(--academy-line);
    border-radius: 0 0 18px 18px;
    background: #fff;
    box-shadow: var(--academy-shadow-md);
  }

  .academy-site .site-nav > a:not(.btn),
  .academy-site .nav-account-link {
    width: 100%;
    padding: 0.8rem;
    font-size: 0.94rem;
  }

  .academy-site .nav-account-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin: 0.4rem 0 0;
    padding: 0.8rem 0 0;
    border-top: 1px solid var(--academy-line);
    border-left: 0;
  }

  .academy-site .site-nav .nav-cta {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .academy-site .container {
    width: min(100% - 28px, 1180px);
  }

  .academy-site .announcement-inner {
    justify-content: center;
    text-align: center;
  }

  .academy-site .announcement-inner p strong {
    display: none;
  }

  .academy-site .announcement-inner a {
    display: none;
  }

  .academy-site .brand img {
    width: 48px;
    height: 48px;
  }

  .academy-site .brand small {
    display: none;
  }

  .academy-site .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .academy-site .footer-brand-column,
  .academy-site .footer-newsletter-column {
    grid-column: 1 / -1;
  }

  .academy-site .footer-bottom {
    grid-template-columns: 1fr;
  }

  .academy-site .footer-disclaimer {
    text-align: left;
  }

  .academy-site .sticky-trial {
    right: 74px;
    bottom: 18px;
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    padding: 0.7rem 1rem;
    border-radius: 14px;
    background: var(--academy-blue-600);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 10px 28px rgba(40, 100, 220, 0.3);
  }

  .academy-chat-widget {
    right: 14px;
    bottom: 16px;
  }

  .academy-chat-widget #chat-toggle {
    width: 48px;
    height: 48px;
  }

  .academy-chat-widget #chat-panel {
    position: fixed;
    right: 14px;
    bottom: 74px;
    left: 14px;
    width: auto;
  }
}

@media (max-width: 480px) {
  .academy-site .site-footer .footer-grid {
    grid-template-columns: 1fr;
  }

  .academy-site .footer-brand-column,
  .academy-site .footer-newsletter-column {
    grid-column: auto;
  }

  .quality-gate-card {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .academy-site *,
  .academy-site *::before,
  .academy-site *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .academy-site .announcement-bar,
  .academy-site .nav-toggle,
  .academy-site .sticky-trial,
  .academy-chat-widget,
  .academy-final-cta {
    display: none !important;
  }
}