/* Exams hub — clean student subpage (purple + black) */

.exams-app {
  --ex-black: #000000;
  --ex-purple: #0B1426;
  --ex-purple-hover: #152238;
  --ex-purple-soft: #F3F2EF;
  --ex-purple-line: #D8DEE8;
  --ex-ink: #000000;
  --ex-muted: #6b7280;
  --ex-line: #e5e7eb;
  --ex-card: #ffffff;
  --ex-soft: #fafafa;
  --ex-radius: 10px;
  max-width: 720px;
  margin-inline: auto;
  padding: 16px 14px calc(100px + env(safe-area-inset-bottom, 0px));
}

/* Hero */
.exams-app__hero {
  margin-bottom: 18px;
}

.exams-app__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  padding: 8px 12px 8px 8px;
  border-radius: var(--ex-radius);
  border: 1px solid var(--ex-purple-line);
  background: var(--ex-card);
  color: var(--ex-purple);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(11, 20, 38, 0.06);
  transition: background 0.15s ease;
}

.exams-app__back:hover {
  background: var(--ex-purple-soft);
}

.exams-app__back-icon .edu-app-icon {
  box-shadow: none;
}

.exams-app__hero-body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 14px 16px;
  padding: 20px 18px;
  border-radius: 14px;
  border: 1px solid var(--ex-line);
  background: var(--ex-card);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.exams-app__hero-icon .edu-app-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(11, 20, 38, 0.12);
}

.exams-app__hero-text {
  flex: 1;
  min-width: 180px;
}

.exams-app__hero-text h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  font-weight: 800;
  color: var(--ex-ink);
  line-height: 1.2;
}

.exams-app__hero-text p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--ex-muted);
  line-height: 1.5;
  max-width: 42ch;
}

.exams-app__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
  padding-top: 4px;
  border-top: 1px solid var(--ex-line);
}

.exams-app__pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ex-muted);
  background: var(--ex-purple-soft);
  border: 1px solid var(--ex-purple-line);
}

.exams-app__pill strong {
  font-size: 15px;
  font-weight: 800;
  color: var(--ex-purple);
}

.exams-app__pill--open {
  background: #ecfdf5;
  border-color: #bbf7d0;
  color: #047857;
}

.exams-app__pill--open strong {
  color: #047857;
}

/* Global banner */
.exams-app__global-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding: 16px 18px;
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(135deg, #000000 0%, #1a1028 50%, #0B1426 100%);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.exams-app__global-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(11, 20, 38, 0.2);
}

.exams-app__global-banner-icon .edu-app-icon {
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.exams-app__global-banner-text {
  flex: 1;
  min-width: 0;
}

.exams-app__global-banner-text strong {
  display: block;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}

.exams-app__global-banner-text small {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.4;
}

.exams-app__global-banner-cta {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 8px;
  background: #fff;
  color: var(--ex-purple);
  font-size: 12px;
  font-weight: 800;
}

/* Sections */
.exams-app__section {
  margin-bottom: 22px;
}

.exams-app__section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.exams-app__section-head h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ex-ink);
}

.exams-app__count {
  min-width: 28px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--ex-purple-soft);
  border: 1px solid var(--ex-purple-line);
  color: var(--ex-purple);
  font-size: 12px;
  font-weight: 800;
}

.exams-app__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Cards */
.exams-app__card {
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--ex-line);
  background: var(--ex-card);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.exams-app__card.is-open {
  border-inline-start: 4px solid var(--ex-purple);
}

.exams-app__card.is-locked {
  border-inline-start: 4px solid #d1d5db;
  background: var(--ex-soft);
}

.exams-app__card--global {
  border-inline-start-color: #000;
}

.exams-app__card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.exams-app__course {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--ex-purple);
  margin-bottom: 4px;
}

.exams-app__card-head h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--ex-ink);
  line-height: 1.35;
}

.exams-app__chip {
  flex-shrink: 0;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.exams-app__chip.is-open {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #bbf7d0;
}

.exams-app__chip.is-locked {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.exams-app__desc {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ex-muted);
}

.exams-app__lock-note {
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
}

.exams-app__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.exams-app__meta > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ex-muted);
}

.exams-app__foot {
  display: flex;
  gap: 10px;
}

/* Buttons */
.exams-app__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: 1;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: var(--ex-radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.exams-app__btn--primary {
  background: var(--ex-purple);
  border-color: var(--ex-purple);
  color: #fff;
}

.exams-app__btn--primary:hover {
  background: var(--ex-purple-hover);
  color: #fff;
}

.exams-app__btn--ghost {
  background: var(--ex-card);
  border-color: var(--ex-line);
  color: var(--ex-ink);
}

.exams-app__btn--ghost:hover {
  border-color: var(--ex-purple-line);
  background: var(--ex-purple-soft);
}

.exams-app__btn.is-disabled {
  background: #f3f4f6;
  color: #9ca3af;
  border-color: var(--ex-line);
  cursor: not-allowed;
  pointer-events: none;
}

/* Empty */
.exams-app__panel {
  padding: 40px 32px 36px;
  border-radius: 16px;
  border: 1px solid var(--ex-line);
  background: var(--ex-card);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.exams-app__empty-art {
  width: 120px;
  height: 120px;
  margin: 0 auto 18px;
}

.exams-app__empty-art svg {
  width: 100%;
  height: 100%;
  display: block;
}

.exams-app__panel h2 {
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ex-ink);
}

.exams-app__panel p {
  margin: 0 auto 22px;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ex-muted);
}

.exams-app__empty-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

/* Web */
html.edu-view-web .edu-web-content .exams-app {
  max-width: 720px;
  padding: 24px 20px 2.5rem;
}

@media (max-width: 560px) {
  .exams-app__global-banner {
    flex-wrap: wrap;
  }

  .exams-app__global-banner-cta {
    width: 100%;
    text-align: center;
  }

  .exams-app__card-head {
    flex-direction: column;
    gap: 8px;
  }

  .exams-app__empty-actions {
    flex-direction: column;
    width: 100%;
  }

  .exams-app__empty-actions .exams-app__btn {
    width: 100%;
  }
}