:root {
  --bg: #f4f7fb;
  --bg-soft: #eef4f8;
  --surface: #ffffff;
  --surface-soft: #f8fbfd;
  --text: #0f172a;
  --muted: #64748b;
  --muted-2: #94a3b8;
  --border: #dbe4ee;
  --border-strong: #c7d4e2;

  --primary: #16a34a;
  --primary-hover: #15803d;
  --primary-soft: #dcfce7;
  --primary-soft-2: #ecfdf5;

  --accent: #0891b2;
  --accent-soft: #cffafe;

  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-soft: #fee2e2;

  --navy: #0f172a;
  --navy-soft: #1e293b;

  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;

  --shadow-xs: 0 2px 10px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 10px 28px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 16px 36px rgba(15, 23, 42, 0.08);

  --content-width: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(22, 163, 74, 0.08), transparent 24%),
    radial-gradient(circle at top right, rgba(8, 145, 178, 0.08), transparent 22%),
    var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: inherit;
}

.main-shell {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 24px 16px 56px;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1035;
  backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(219, 228, 238, 0.85);
}

.topbar-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #22c55e);
  color: #fff;
  box-shadow: 0 10px 24px rgba(22, 163, 74, 0.25);
  font-size: 1.15rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-title {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--navy);
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.82rem;
}

.menu-trigger {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--navy);
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 600;
  box-shadow: var(--shadow-xs);
}

.menu-trigger:hover,
.menu-trigger:focus {
  border-color: var(--primary);
  color: var(--primary);
}

.tabs-wrap {
  position: sticky;
  top: 71px;
  z-index: 1030;
  background: rgba(244, 247, 251, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(219, 228, 238, 0.9);
}

.tabs-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 10px 16px;
}

.tabs-top {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-top::-webkit-scrollbar {
  display: none;
}

.tabs-top .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.tabs-top .nav-link:hover {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.8);
  border-color: var(--border);
}

.tabs-top .nav-link.active {
  color: var(--primary);
  background: #fff;
  border-color: rgba(22, 163, 74, 0.18);
  box-shadow: var(--shadow-xs);
}

.side-menu {
  width: min(360px, 88vw) !important;
  background: linear-gradient(180deg, #0f172a 0%, #172554 100%);
  color: #e2e8f0;
}

.side-menu .offcanvas-header {
  padding: 22px 22px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.side-menu .offcanvas-title {
  font-weight: 700;
}

.side-menu .menu-list {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-menu .menu-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: 0.2s ease;
}

.side-menu .menu-link:hover,
.side-menu .menu-link.is-active {
  background: rgba(22, 163, 74, 0.16);
  border-color: rgba(34, 197, 94, 0.18);
  color: #fff;
}

.side-menu .menu-link--logout {
  margin-top: 8px;
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.16);
}

.page-hero {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  background: linear-gradient(135deg, #ffffff 0%, #f7fbff 55%, #ecfdf5 100%);
  border: 1px solid rgba(219, 228, 238, 0.8);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  margin-bottom: 24px;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.12), transparent 68%);
}

.page-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--primary-soft-2);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.page-hero__title {
  font-size: clamp(1.65rem, 2vw, 2.3rem);
  line-height: 1.08;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--navy);
}

.page-hero__text {
  color: var(--muted);
  font-size: 1rem;
  max-width: 780px;
  margin-bottom: 0;
}

.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-pill,
.inline-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.fiz-card,
.card {
  border: 1px solid rgba(219, 228, 238, 0.9);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  background: var(--surface);
}

.card,
.card .card-body {
  overflow: hidden;
}

.card .card-body {
  padding: 22px;
}

.section-card {
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid rgba(219, 228, 238, 0.9);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.section-card__head {
  padding: 20px 22px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-card__body {
  padding: 20px 22px 22px;
}

.section-title,
.card-title,
.section-card h5,
.section-card h6 {
  margin-bottom: 0;
  font-weight: 800;
  color: var(--navy);
}

.section-subtitle {
  color: var(--muted);
  margin-top: 6px;
  margin-bottom: 0;
}

.metric-card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid rgba(219, 228, 238, 0.95);
  border-radius: 22px;
  box-shadow: var(--shadow-xs);
  padding: 18px;
  height: 100%;
}

.metric-card__label {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}

.metric-card__value {
  font-size: clamp(1.55rem, 2.4vw, 2.2rem);
  line-height: 1.05;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}

.metric-card__hint {
  color: var(--muted);
  font-size: 0.9rem;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.btn {
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

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

.btn-primary,
.btn-success {
  background: linear-gradient(135deg, var(--primary) 0%, #22c55e 100%);
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(22, 163, 74, 0.18);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-success:hover,
.btn-success:focus {
  background: linear-gradient(135deg, var(--primary-hover) 0%, var(--primary) 100%);
  border-color: transparent;
}

.btn-outline-primary {
  border-color: rgba(22, 163, 74, 0.25);
  color: var(--primary);
  background: rgba(236, 253, 245, 0.35);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--primary-soft);
  border-color: rgba(22, 163, 74, 0.35);
  color: var(--primary-hover);
}

.btn-outline-secondary,
.btn-secondary {
  background: #fff;
  border-color: var(--border);
  color: var(--navy-soft);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--surface-soft);
  border-color: var(--border-strong);
  color: var(--navy);
}

.btn-outline-success {
  color: var(--primary);
  border-color: rgba(22, 163, 74, 0.24);
  background: rgba(220, 252, 231, 0.38);
}

.btn-outline-success:hover {
  background: var(--primary-soft);
  border-color: rgba(22, 163, 74, 0.34);
  color: var(--primary-hover);
}

.btn-danger,
.btn-outline-danger {
  border-radius: 12px;
}

.btn-list,
.selection-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  min-height: 84px;
  padding: 18px 18px;
  border-radius: 22px;
  border: 1px solid rgba(219, 228, 238, 0.95);
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  box-shadow: var(--shadow-xs);
  color: var(--navy);
  text-align: left !important;
}

.btn-list:hover,
.selection-card:hover {
  transform: translateY(-2px);
  border-color: rgba(22, 163, 74, 0.22);
  box-shadow: var(--shadow-sm);
}

.selection-card__icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.12), rgba(8, 145, 178, 0.14));
  color: var(--primary);
  font-size: 1.25rem;
  flex: 0 0 auto;
}

.selection-card__content {
  min-width: 0;
  flex: 1 1 auto;
}

.selection-card__title {
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 4px;
}

.selection-card__text {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}

.selection-card__arrow {
  color: var(--muted-2);
  font-size: 1.15rem;
  flex: 0 0 auto;
}

.form-control,
.form-select,
.input-group-text,
textarea.form-control {
  min-height: 46px;
  border-radius: 14px;
  border-color: var(--border);
  background: #fff;
  box-shadow: none !important;
}

.form-control:focus,
.form-select:focus,
textarea.form-control:focus {
  border-color: rgba(22, 163, 74, 0.36);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12) !important;
}

.input-group > .form-control,
.input-group > .form-select,
.input-group > .btn {
  min-height: 46px;
}

.form-label {
  color: var(--navy);
  font-weight: 700;
  margin-bottom: 8px;
}

.form-text,
.text-muted {
  color: var(--muted) !important;
}

.form-check-input {
  width: 1.1rem;
  height: 1.1rem;
  border-color: var(--border-strong);
}

.form-check-input:checked {
  background-color: var(--primary);
  border-color: var(--primary);
}

.table-responsive {
  border-radius: 18px;
}

.table {
  --bs-table-bg: transparent;
  margin-bottom: 0;
}

.table > :not(caption) > * > * {
  padding: 0.92rem 0.9rem;
  border-bottom-color: #edf2f7;
  vertical-align: middle;
}

.table thead th,
.table-light th {
  background: #f8fbfd !important;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--border);
}

.table-hover > tbody > tr:hover > * {
  background: rgba(8, 145, 178, 0.04);
}

.badge {
  border-radius: 999px;
  padding: 0.46rem 0.68rem;
  font-weight: 700;
}

.badge.bg-primary {
  background: var(--accent) !important;
}

.badge.bg-success {
  background: var(--primary) !important;
}

.badge.bg-warning {
  background: var(--warning) !important;
}

.badge.bg-danger {
  background: var(--danger) !important;
}

.alert {
  border: 1px solid rgba(59, 130, 246, 0.14);
  border-radius: 18px;
}

.alert-info {
  background: rgba(8, 145, 178, 0.08);
  color: #155e75;
}

.pagination {
  gap: 8px;
  flex-wrap: wrap;
}

.page-link {
  border-radius: 12px;
  border-color: var(--border);
  color: var(--navy-soft);
  padding: 0.7rem 0.95rem;
}

.page-item.active .page-link,
.page-link:hover {
  color: var(--primary);
  background: var(--primary-soft-2);
  border-color: rgba(22, 163, 74, 0.18);
}

.filter-grid {
  display: grid;
  gap: 18px;
}

.filter-group {
  border: 1px solid rgba(219, 228, 238, 0.9);
  border-radius: 20px;
  padding: 18px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.filter-group__title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 14px;
}

.profile-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
  align-items: stretch;
}

.profile-meta {
  display: grid;
  gap: 12px;
}

.profile-meta__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  color: var(--muted);
}

.profile-meta__row strong {
  color: var(--navy);
}

.auth-card {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(320px, 500px);
  overflow: hidden;
}

.auth-card__aside {
  background:
    radial-gradient(circle at 20% 20%, rgba(34, 197, 94, 0.28), transparent 28%),
    radial-gradient(circle at 80% 25%, rgba(8, 145, 178, 0.2), transparent 25%),
    linear-gradient(160deg, #0f172a 0%, #0f766e 100%);
  color: white;
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
}

.auth-card__badge {
  display: inline-flex;
  width: fit-content;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.16);
  font-weight: 700;
  font-size: 0.85rem;
}

.auth-card__title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.05;
  font-weight: 800;
  margin: 18px 0 14px;
}

.auth-card__text {
  max-width: 420px;
  color: rgba(255,255,255,0.82);
  margin-bottom: 0;
}

.auth-card__list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.auth-card__item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.86);
}

.auth-card__form {
  background: rgba(255,255,255,0.92);
  padding: 32px;
}

.auth-card__form .card-title {
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.auth-card__form .card-subtitle {
  color: var(--muted);
  margin-bottom: 24px;
}

.results-stack {
  display: grid;
  gap: 14px;
}

.results-card {
  border: 1px solid rgba(219, 228, 238, 0.92);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
}

.results-card__title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--navy);
}

.info-list {
  display: grid;
  gap: 12px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eef2f7;
}

.info-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.info-row__label {
  color: var(--muted);
  font-weight: 600;
}

.info-row__value {
  color: var(--navy);
  font-weight: 700;
  text-align: right;
}

.surface-panel {
  border: 1px dashed rgba(22, 163, 74, 0.24);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(236, 253, 245, 0.75) 0%, rgba(255,255,255,0.9) 100%);
  padding: 18px;
}

.empty-state {
  padding: 26px;
  text-align: center;
  border-radius: 20px;
  border: 1px dashed var(--border-strong);
  background: var(--surface-soft);
  color: var(--muted);
}

.student-workspace .student-item {
  padding: 8px !important;
  border: 0 !important;
  background: transparent !important;
}

.student-workspace .student-row {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid rgba(219, 228, 238, 0.94);
  border-radius: 18px;
  padding: 10px 12px;
  box-shadow: var(--shadow-xs);
}

.student-workspace .student-row:hover {
  border-color: rgba(22, 163, 74, 0.22);
}

.student-workspace .name-btn.btn {
  min-height: 42px;
}

.student-workspace .med-btn.btn,
.student-workspace .result-btn,
.student-workspace .btn-input {
  border-radius: 14px !important;
}

.student-workspace .btn-input {
  min-width: 46px;
  height: 46px;
}

@media (max-width: 992px) {
  .profile-hero,
  .auth-card {
    grid-template-columns: 1fr;
  }

  .auth-card__aside {
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  .main-shell {
    padding: 18px 12px 42px;
  }

  .page-hero,
  .card .card-body,
  .section-card__body,
  .auth-card__form,
  .auth-card__aside {
    padding: 20px;
  }

  .section-card__head {
    padding: 18px 20px 0;
  }

  .topbar-inner,
  .tabs-inner {
    padding-left: 12px;
    padding-right: 12px;
  }

  .tabs-wrap {
    top: 71px;
  }

  .profile-meta__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .info-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .info-row__value {
    text-align: left;
  }
}

@media (max-width: 576px) {
  .page-hero__title {
    font-size: 1.5rem;
  }

  .tabs-top .nav-link {
    padding: 9px 12px;
    font-size: 0.84rem;
  }

  .selection-card,
  .btn-list {
    min-height: 76px;
    padding: 16px;
  }
}