/* =========================================================================
   Protic – "Caiet de mate" theme
   Grid paper, ink-blue text, red margin line, handwritten notes.
   Bootstrap stays loaded (admin + quiz pages use it); it is retuned below.
   ========================================================================= */

:root {
  --pt-paper: #FCFBF7;
  --pt-grid: rgba(35, 70, 168, .09);
  --pt-ink: #1F2A5A;
  --pt-ink-muted: #4A5072;
  --pt-accent: #2346A8;
  --pt-accent-dark: #16306F;
  --pt-pen-red: #E25B4B;
  --pt-margin: #E8A39A;
  --pt-note: #C2410C;
  --pt-line: #E3E6F1;
  --pt-dash: #B9C0DA;
  --pt-mark-yellow: #FFE680;
  --pt-mark-blue: #D6E4FF;
  --pt-mark-green: #E3F2E1;
  --pt-quiz: #FFF7D1;
  --pt-locked: #F4F5FA;
  --pt-font: 'Lexend', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --pt-font-hand: 'Caveat', cursive;

  /* Bootstrap retune */
  --bs-body-font-family: var(--pt-font);
  --bs-font-sans-serif: var(--pt-font);
  --bs-body-color: var(--pt-ink);
  --bs-body-bg: var(--pt-paper);
  --bs-secondary-color: var(--pt-ink-muted);
  --bs-border-color: var(--pt-dash);
  --bs-primary: var(--pt-accent);
  --bs-primary-rgb: 35, 70, 168;
  --bs-link-color: var(--pt-accent);
  --bs-link-color-rgb: 35, 70, 168;
  --bs-link-hover-color: var(--pt-accent-dark);
  --bs-link-hover-color-rgb: 22, 48, 111;
  --bs-border-radius: 6px;
}

html {
  font-size: 15px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: var(--pt-font);
  color: var(--pt-ink);
  background-color: var(--pt-paper);
  background-image:
    linear-gradient(var(--pt-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pt-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6, .display-4 {
  font-family: var(--pt-font);
  font-weight: 700;
  color: var(--pt-ink);
  letter-spacing: -0.02em;
}

.text-primary {
  color: var(--pt-ink) !important;
}

.text-muted {
  color: var(--pt-ink-muted) !important;
}

:focus-visible {
  outline: 3px solid var(--pt-accent);
  outline-offset: 2px;
}

.btn:focus-visible, .form-control:focus, .form-select:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(35, 70, 168, .25);
}

/* ---------- Header ---------- */

.pt-header {
  background: var(--pt-paper);
  border-bottom: 2px solid var(--pt-ink);
}

.pt-header__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 32px;
}

.pt-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--pt-ink);
  text-decoration: none;
}

.pt-brand:hover {
  color: var(--pt-ink);
}

.pt-brand__name {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.pt-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 22px;
  flex: 1 1 440px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pt-nav__link {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: var(--pt-ink-muted);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.pt-nav__link:hover {
  color: var(--pt-ink);
  border-bottom-color: var(--pt-dash);
}

.pt-nav__link.is-active {
  color: var(--pt-ink);
  font-weight: 700;
  border-bottom-color: var(--pt-pen-red);
}

.pt-nav__link--admin {
  color: var(--pt-note);
  font-weight: 700;
}

.pt-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- Buttons ---------- */

.pt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  font-family: var(--pt-font);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.2;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: 1.5px solid var(--pt-ink);
  transition: transform .08s ease, box-shadow .08s ease;
}

.pt-btn--primary {
  color: #FFFFFF;
  background: var(--pt-accent);
  box-shadow: 3px 3px 0 var(--pt-ink);
}

.pt-btn--primary:hover {
  color: #FFFFFF;
  background: var(--pt-accent-dark);
}

.pt-btn--primary:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--pt-ink);
}

.pt-btn--outline {
  color: var(--pt-ink);
  background: #FFFFFF;
}

.pt-btn--outline:hover {
  color: var(--pt-ink);
  background: var(--pt-locked);
}

.pt-btn--ghost {
  color: var(--pt-ink);
  background: transparent;
}

.pt-btn--ghost:hover,
.pt-btn--ghost.show {
  color: var(--pt-ink);
  background: var(--pt-locked);
}

/* ---------- Page ---------- */

.pt-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

.pt-margin {
  border-left: 2px solid var(--pt-margin);
  padding-left: 32px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

@media (max-width: 575.98px) {
  .pt-margin {
    padding-left: 16px;
  }
}

.pt-hand {
  font-family: var(--pt-font-hand);
  font-weight: 700;
  color: var(--pt-note);
}

.pt-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pt-title__eyebrow {
  font-size: 1.75rem;
  line-height: 1;
}

.pt-title h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -1.2px;
}

/* ---------- Section cards ("notebook pages") ---------- */

.pt-sections {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: flex-start;
}

.pt-card {
  flex: 1 1 340px;
  min-width: 0;
  background: #FFFFFF;
  border: 1.5px solid var(--pt-ink);
  border-radius: 6px;
  box-shadow: 5px 5px 0 var(--pt-ink);
}

.pt-card--locked {
  background: var(--pt-locked);
  border-style: dashed;
  box-shadow: none;
}

.pt-card__head {
  padding: 16px 22px;
  border-bottom: 1.5px dashed var(--pt-dash);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pt-card--locked .pt-card__head {
  border-bottom: 0;
}

.pt-card__title {
  margin: 0;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pt-card__body {
  padding: 8px 22px 22px;
}

.pt-card__empty {
  margin: 12px 0 0;
  color: var(--pt-ink-muted);
  font-family: var(--pt-font-hand);
  font-size: 1.35rem;
}

.pt-badge {
  font-size: .8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--pt-ink);
  color: #FFFFFF;
}

.pt-badge--soft {
  background: var(--pt-mark-yellow);
  color: var(--pt-ink);
}

/* ---------- Document rows ---------- */

.pt-docs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pt-doc {
  padding: 8px 0;
  border-bottom: 1px solid var(--pt-line);
}

.pt-doc:last-child {
  border-bottom: 0;
}

.pt-doc__row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pt-doc__name {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.pt-doc__content {
  margin: 4px 0 4px 64px;
  color: var(--pt-ink-muted);
  font-size: .95rem;
  white-space: pre-wrap;
}

.pt-tag {
  flex: none;
  width: 52px;
  padding: 3px 0;
  text-align: center;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .5px;
  border-radius: 4px;
  color: var(--pt-ink);
  background: var(--pt-mark-yellow);
}

.pt-tag--blue { background: var(--pt-mark-blue); }
.pt-tag--green { background: var(--pt-mark-green); }

.pt-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 8px;
  font-weight: 500;
  color: var(--pt-accent);
  text-decoration: none;
  white-space: nowrap;
}

.pt-link:hover {
  color: var(--pt-accent-dark);
  text-decoration: underline;
}

/* ---------- Quiz box ---------- */

.pt-quiz {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--pt-quiz);
  border: 1.5px dashed var(--pt-ink);
  border-radius: 6px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pt-quiz + .pt-quiz {
  margin-top: 12px;
}

.pt-quiz__info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.pt-quiz__title {
  font-weight: 700;
}

.pt-quiz__desc {
  font-size: .9rem;
  color: var(--pt-ink-muted);
}

/* ---------- Notice (empty states) ---------- */

.pt-notice {
  padding: 18px 22px;
  background: #FFFFFF;
  border: 1.5px dashed var(--pt-ink);
  border-radius: 6px;
  color: var(--pt-ink-muted);
}

/* ---------- Footer ---------- */

.pt-footer {
  border-top: 2px solid var(--pt-ink);
  background: var(--pt-paper);
}

.pt-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: .9rem;
  color: var(--pt-ink-muted);
}

/* =========================================================================
   Bootstrap components in the notebook style (admin, quiz, login pages)
   ========================================================================= */

.card {
  border: 1.5px solid var(--pt-ink);
  border-radius: 6px;
  box-shadow: 4px 4px 0 var(--pt-ink) !important;
  background: #FFFFFF;
}

.card.border-0 {
  border: 1.5px solid var(--pt-ink) !important;
}

.card-header {
  border-bottom: 1.5px dashed var(--pt-dash);
  background: #FFFFFF;
}

.bg-primary {
  background-color: var(--pt-mark-blue) !important;
}

.bg-primary.text-white, .bg-primary .text-white,
.bg-primary .text-white-50 {
  color: var(--pt-ink) !important;
}

.bg-light {
  background-color: #FFFFFF !important;
}

.btn {
  font-family: var(--pt-font);
  font-weight: 500;
  border-radius: 6px;
  border-width: 1.5px;
}

.btn-primary, .btn-success, .btn-info {
  color: #FFFFFF;
  background-color: var(--pt-accent);
  border-color: var(--pt-ink);
}

.btn-primary:hover, .btn-success:hover, .btn-info:hover,
.btn-primary:active, .btn-success:active, .btn-info:active {
  color: #FFFFFF !important;
  background-color: var(--pt-accent-dark) !important;
  border-color: var(--pt-ink) !important;
}

.btn-success {
  background-color: #1F7A5A;
}

.btn-secondary, .btn-outline-dark, .btn-outline-secondary {
  color: var(--pt-ink);
  background-color: #FFFFFF;
  border-color: var(--pt-ink);
}

.btn-secondary:hover, .btn-outline-dark:hover, .btn-outline-secondary:hover {
  color: var(--pt-ink);
  background-color: var(--pt-locked);
  border-color: var(--pt-ink);
}

.btn-danger {
  color: #FFFFFF;
  background-color: #B42318;
  border-color: #7A1A12;
}

.btn-danger:hover {
  color: #FFFFFF;
  background-color: #8F1C13;
  border-color: #7A1A12;
}

.form-control, .form-select {
  border: 1.5px solid var(--pt-dash);
  border-radius: 6px;
  color: var(--pt-ink);
  background-color: #FFFFFF;
}

.form-control:focus, .form-select:focus {
  border-color: var(--pt-accent);
}

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

.form-label {
  font-weight: 500;
}

.table {
  --bs-table-bg: #FFFFFF;
  --bs-table-striped-bg: #F7F8FC;
  --bs-table-color: var(--pt-ink);
  --bs-table-striped-color: var(--pt-ink);
  border-color: var(--pt-line);
}

.table > thead th {
  border-bottom: 2px solid var(--pt-ink);
}

.alert {
  border: 1.5px dashed var(--pt-ink);
  border-radius: 6px;
  color: var(--pt-ink);
}

.alert-info {
  background-color: #FFFFFF;
}

.alert-warning {
  background-color: var(--pt-quiz);
}

.alert-success {
  background-color: var(--pt-mark-green);
}

.alert-danger {
  background-color: #FDECEA;
}

.list-group-item {
  border-color: var(--pt-line);
  color: var(--pt-ink);
}

.dropdown-menu {
  border: 1.5px solid var(--pt-ink);
  border-radius: 6px;
  box-shadow: 4px 4px 0 var(--pt-ink);
  font-family: var(--pt-font);
}

.dropdown-item {
  min-height: 40px;
  display: flex;
  align-items: center;
  color: var(--pt-ink);
}

.dropdown-item:hover, .dropdown-item:focus {
  background-color: var(--pt-locked);
  color: var(--pt-ink);
}

.badge.bg-success { background-color: #1F7A5A !important; }
.badge.bg-danger { background-color: #B42318 !important; }
.badge.bg-info { background-color: var(--pt-mark-blue) !important; color: var(--pt-ink) !important; }
.badge.bg-warning { background-color: var(--pt-mark-yellow) !important; color: var(--pt-ink) !important; }