/*
 * Tema ispirato a www.unict.it (Bootstrap Italia + tema id_theme_unict),
 * costruito sopra Bootstrap 5. È l'unico foglio di stile dell'applicazione.
 */

/* ---------- Font (ospitato localmente: niente richieste verso terzi) ---------- */
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/poppins-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/poppins-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/poppins-latin-700-normal.woff2") format("woff2");
}

:root {
  --unict-blue: #0078bd;
  --unict-blue-dark: #004080;
  --unict-blue-tint: #e6f1f8;
  --unict-link: #0066cc;
  --unict-slim: #30373d;
  --unict-footer: #003366;
  --unict-accent: #ff9900;
  --unict-success: #008758;
  --unict-danger: #d9364f;
  --unict-warning: #a66300;
  --unict-text: #19191a;
  --unict-text-muted: #5c6f82;
  --unict-border: #dfe3e8;
  --unict-bg: #f5f7fa;
  --unict-font: "Poppins", Geneva, Tahoma, sans-serif;
  --unict-radius: 8px;
  --unict-shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.06);

  /* Variabili Bootstrap 5 */
  --bs-primary: #0078bd;
  --bs-primary-rgb: 0, 120, 189;
  --bs-success: #008758;
  --bs-success-rgb: 0, 135, 88;
  --bs-danger: #d9364f;
  --bs-danger-rgb: 217, 54, 79;
  --bs-warning: #a66300;
  --bs-warning-rgb: 166, 99, 0;
  --bs-link-color: #0066cc;
  --bs-link-hover-color: #004080;
  --bs-font-sans-serif: var(--unict-font);
  --bs-body-font-family: var(--unict-font);
  --bs-body-color: #19191a;
  --bs-body-bg: #f5f7fa;
  --bs-border-color: var(--unict-border);
}

/* ---------- Tipografia ---------- */
body {
  font-family: var(--unict-font);
  color: var(--unict-text);
  background-color: var(--unict-bg);
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  color: var(--unict-footer);
  font-weight: 700;
}

a { color: var(--unict-link); }
a:hover { color: var(--unict-blue-dark); }

.text-muted { color: var(--unict-text-muted) !important; }
.text-primary { color: var(--unict-blue) !important; }
.text-success { color: var(--unict-success) !important; }
.text-danger { color: var(--unict-danger) !important; }

.eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--unict-blue);
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 2000;
  padding: 0.5rem 1rem;
  background: #fff;
  border-radius: var(--unict-radius);
}

/* ---------- Focus (accento arancio come Bootstrap Italia) ---------- */
a:focus-visible,
.btn:focus-visible,
.btn-check:focus-visible + .btn,
.form-control:focus,
.form-select:focus,
.user-menu:focus-visible,
.dropzone:focus-within {
  outline: 2px solid var(--unict-accent) !important;
  outline-offset: 2px;
  box-shadow: none !important;
}
.form-control:focus,
.form-select:focus {
  outline-offset: 0;
  border-color: var(--unict-accent);
}

/* ---------- Bottoni ---------- */
.btn {
  border-radius: 6px;
  font-weight: 600;
}
.btn-primary {
  --bs-btn-bg: var(--unict-blue);
  --bs-btn-border-color: var(--unict-blue);
  --bs-btn-hover-bg: var(--unict-blue-dark);
  --bs-btn-hover-border-color: var(--unict-blue-dark);
  --bs-btn-active-bg: var(--unict-blue-dark);
  --bs-btn-active-border-color: var(--unict-blue-dark);
  --bs-btn-disabled-bg: var(--unict-blue);
  --bs-btn-disabled-border-color: var(--unict-blue);
}
.btn-outline-primary {
  --bs-btn-color: var(--unict-blue);
  --bs-btn-border-color: var(--unict-blue);
  --bs-btn-hover-bg: var(--unict-blue);
  --bs-btn-hover-border-color: var(--unict-blue);
  --bs-btn-active-bg: var(--unict-blue);
  --bs-btn-active-border-color: var(--unict-blue);
}
.btn-danger {
  --bs-btn-bg: var(--unict-danger);
  --bs-btn-border-color: var(--unict-danger);
  --bs-btn-hover-bg: #b5283e;
  --bs-btn-hover-border-color: #b5283e;
}
.btn-outline-danger {
  --bs-btn-color: var(--unict-danger);
  --bs-btn-border-color: var(--unict-danger);
  --bs-btn-hover-bg: var(--unict-danger);
  --bs-btn-hover-border-color: var(--unict-danger);
}
.btn-light { --bs-btn-color: var(--unict-blue-dark); }

/* ---------- Card ---------- */
.card {
  border: 1px solid var(--unict-border);
  border-radius: var(--unict-radius);
  box-shadow: var(--unict-shadow);
}
.card-footer {
  background: #fafbfc;
  border-top-color: var(--unict-border);
  padding: 1rem 1.5rem;
}
.card-soft {
  background: var(--unict-blue-tint);
  border-color: transparent;
  box-shadow: none;
}

/* ---------- Alert ---------- */
.alert {
  border-radius: var(--unict-radius);
  border: 0;
  border-left: 4px solid;
}
.alert-info {
  color: var(--unict-blue-dark);
  background-color: var(--unict-blue-tint);
  border-left-color: var(--unict-blue);
}
.alert-warning {
  color: #5c3700;
  background-color: #fff3e0;
  border-left-color: var(--unict-accent);
}

/* ---------- Form ---------- */
.form-label { font-weight: 600; }
.form-control, .form-select { border-color: #c5ccd3; }

/* ---------- Header (barra slim + header blu) ---------- */
.unict-slim-header {
  background-color: var(--unict-slim);
  color: #fff;
  font-size: 0.875rem;
  padding: 6px 0;
}
.unict-slim-header .container-xl,
.unict-header .container-xl {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.unict-slim-header a {
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.unict-slim-header a:hover { text-decoration: underline; }
.unict-slim-right { opacity: 0.85; }

.unict-header {
  background-color: var(--unict-blue);
  padding: 12px 0;
}
.unict-brand img {
  height: 56px;
  width: auto;
}

.user-menu {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem 0.35rem 0.35rem;
  color: #fff;
  background: var(--unict-blue-dark);
  border: 0;
  border-radius: 999px;
}
.user-menu:hover { background: #00305f; }
.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  color: var(--unict-blue-dark);
  font-size: 1.1rem;
}
.unict-header .dropdown-menu {
  min-width: 15rem;
  max-width: 20rem;
  border: 0;
  border-radius: var(--unict-radius);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
}

@media (max-width: 575.98px) {
  .unict-slim-right { display: none; }
  .unict-brand img { height: 42px; }
}

/* ---------- Footer ---------- */
.unict-footer {
  background-color: var(--unict-footer);
  color: #fff;
  padding: 2rem 0;
}
.unict-footer a {
  color: #fff;
  text-decoration: underline;
}
.unict-footer a:hover { color: #fff; text-decoration: none; }
.unict-footer-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* ---------- Layout pagina ---------- */
.page { padding-top: 2rem; padding-bottom: 3rem; }
.page-head { margin-bottom: 1.5rem; }
.page-title { font-size: 2rem; margin-bottom: 0.25rem; }
.page-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  color: var(--unict-text-muted);
}
.back-link {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  text-decoration: none;
}
.section-title { font-size: 1.75rem; }

/* ---------- Home ---------- */
.hero {
  color: #fff;
  background: linear-gradient(135deg, var(--unict-blue) 0%, var(--unict-blue-dark) 100%);
  padding: 4rem 0;
}
.hero .eyebrow { color: rgba(255, 255, 255, 0.8); }
.hero-title {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.hero-lead { color: rgba(255, 255, 255, 0.9); margin-bottom: 2rem; }
.hero-illustration {
  max-height: 340px;
  padding: 1.5rem;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 0.75rem;
  border-radius: 12px;
  color: var(--unict-blue);
  background: var(--unict-blue-tint);
  font-size: 1.5rem;
}
.search-card .feature-icon { display: flex; }

.how { background: #fff; border-top: 1px solid var(--unict-border); }
.how-heading {
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--unict-blue);
}
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
}
.step {
  counter-increment: step;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 0;
}
.step + .step { border-top: 1px dashed var(--unict-border); }
.step img {
  flex: 0 0 auto;
  width: 88px;
  height: 72px;
  object-fit: contain;
}
.step strong::before {
  content: counter(step) ". ";
  color: var(--unict-blue);
}
.step p { margin: 0.15rem 0 0; color: var(--unict-text-muted); }

/* ---------- Caricamento esito ---------- */
.dropzone {
  position: relative;
  padding: 2rem 1.5rem;
  text-align: center;
  border: 2px dashed #a9b4bf;
  border-radius: var(--unict-radius);
  background: #fafbfc;
  transition: border-color 0.15s, background-color 0.15s;
}
.dropzone:hover,
.dropzone.is-dragging {
  border-color: var(--unict-blue);
  background: var(--unict-blue-tint);
}
.dropzone.has-file {
  border-style: solid;
  border-color: var(--unict-success);
  background: #eef7f3;
}
.dropzone.is-invalid {
  border-color: var(--unict-danger);
  background: #fbebed;
}
/* L'input copre tutta l'area: clic e trascinamento arrivano al campo nativo. */
.dropzone-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}
.dropzone-icon { font-size: 2.25rem; color: var(--unict-blue); line-height: 1; }
.dropzone-empty .dropzone-icon { display: block; margin-bottom: 0.5rem; }
.dropzone-file {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: left;
}
.dropzone-file[hidden] { display: none; }

.guide { padding-left: 1.25rem; }
.guide li { margin-bottom: 0.6rem; }
.tip {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  border-radius: var(--unict-radius);
  background: #fff;
}
.tip .bi { color: var(--unict-accent); font-size: 1.25rem; }

/* ---------- Gestione esito ---------- */
.publish-card {
  color: #fff;
  border: 0;
  background: linear-gradient(135deg, var(--unict-blue) 0%, var(--unict-blue-dark) 100%);
}
.publish-card h2 { color: #fff; }
.publish-hint { color: rgba(255, 255, 255, 0.85); }
.publish-card .form-control { border-color: transparent; font-size: 0.95rem; }
.code-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.875rem;
}

.stat .card-body { padding: 1rem 1.25rem; }
.stat-label { color: var(--unict-text-muted); font-size: 0.9rem; font-weight: 600; }
.stat-value { font-size: 1.75rem; font-weight: 700; color: var(--unict-footer); line-height: 1.2; }
.stat-warning { border-color: #f3c27a; background: #fff8ed; }
.stat-warning .stat-value { color: var(--unict-warning); }
.progress { height: 8px; }

.column-chip {
  --bs-btn-color: var(--unict-text-muted);
  --bs-btn-border-color: #c5ccd3;
  --bs-btn-hover-color: var(--unict-blue);
  --bs-btn-hover-border-color: var(--unict-blue);
  --bs-btn-active-color: #fff;
  --bs-btn-active-bg: var(--unict-blue);
  --bs-btn-active-border-color: var(--unict-blue);
  border-radius: 999px;
  text-decoration: line-through;
}
.column-chip .bi { margin-right: 0.35rem; }
.column-chip .on,
.btn-check:checked + .column-chip .off { display: none; }
.btn-check:checked + .column-chip .on { display: inline-block; }
.btn-check:checked + .column-chip { text-decoration: none; }

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.table-search { max-width: 380px; }

.marks-table-wrap {
  max-height: 60vh;
  border: 1px solid var(--unict-border);
  border-radius: var(--unict-radius);
}
#marks-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f0f3f6;
  color: var(--unict-footer);
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 2px solid var(--unict-blue);
}
#marks-table td { white-space: nowrap; }
#marks-table .col-status,
#marks-table .col-action { width: 1%; text-align: center; }
#marks-table .col-off { color: #a3adb7; background-color: #f7f8fa; }
#marks-table th.col-off { color: #a3adb7; text-decoration: line-through; }
#marks-table tr[hidden] { display: none; }
#marks-table .grade-mark { display: none; color: var(--unict-accent); }
#marks-table th.is-grade .grade-mark { display: inline; }
.grade-picker .form-select { max-width: 380px; }

.danger-zone { border-color: #f1c3ca; }
.danger-zone h2 { color: var(--unict-danger); }

.unsaved-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1030;
  padding: 0.75rem 0;
  color: #fff;
  background: var(--unict-footer);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}
.has-unsaved-bar { padding-bottom: 64px; }

.qr-code svg {
  width: 100%;
  max-width: 300px;
  height: auto;
}

/* ---------- Esito studente ---------- */
.result-card { overflow: hidden; }
.result-head {
  padding: 1.5rem;
  background: var(--unict-blue-tint);
  border-bottom: 1px solid var(--unict-border);
}
.result-meta { color: var(--unict-text-muted); }
.result-desc { margin-top: 0.5rem; }
.grade {
  margin-bottom: 1.5rem;
  padding: 1.25rem;
  text-align: center;
  border-radius: var(--unict-radius);
  background: linear-gradient(135deg, var(--unict-blue) 0%, var(--unict-blue-dark) 100%);
  color: #fff;
}
.grade-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.85;
}
.grade-value {
  font-size: clamp(2.25rem, 8vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  word-break: break-word;
}
.result-fields { margin: 0; }
.result-field {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--unict-border);
}
.result-field:last-child { border-bottom: 0; }
.result-field dt { color: var(--unict-text-muted); font-weight: 600; }
.result-field dd { margin: 0; font-weight: 600; word-break: break-word; }
@media (max-width: 575.98px) {
  .result-field { grid-template-columns: 1fr; gap: 0; }
}
.result-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--unict-text-muted);
  font-size: 0.9rem;
}

.code-input { font-size: 1.5rem; letter-spacing: 0.1em; }

/* ---------- Pagine di errore ---------- */
.error-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--unict-blue-tint);
  color: var(--unict-blue);
  font-size: 2rem;
}
.error-code {
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--unict-text-muted);
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}