/* ============================================================
   Corso Microcredito — pagine didattiche
   Design system allineato all'app "Indovina il tuo cliente"
   (palette e token da frontend/src/styles/globals.css)
   ============================================================ */
:root {
  --blue-main: #2F6CCB;
  --blue-dark: #255BB0;
  --blue-soft: #DDEBFF;
  --teal: #55B8A5;
  --teal-soft: #DDF3EE;
  --yellow: #F2C546;
  --yellow-soft: #FFF3CC;
  --orange: #F28A5B;
  --orange-soft: #FFE5D6;
  --purple: #8A73E6;
  --purple-soft: #E8E1FF;

  --background: #ECEAF1;
  --card-bg: #FFFFFF;
  --field-bg: #F8F9FC;
  --text-main: #1F2430;
  --text-muted: #5E6678;
  --border-soft: #D8DCE6;

  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 999px;
  --shadow-card: 0 6px 24px rgba(31, 36, 48, 0.07);
  --shadow-sm: 0 2px 8px rgba(31, 36, 48, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-main);
  background: var(--background);
  line-height: 1.65;
}

.wrap { max-width: 900px; margin: 0 auto; padding: 0 20px; }

/* Header — come la TopBar dell'app */
.site-header {
  background: var(--blue-main);
  color: #fff;
  padding: 14px 0;
  box-shadow: var(--shadow-sm);
}
.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-header .brand {
  color: #fff;
  text-decoration: none;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  background: #fff;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.project-meta {
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 3px;
}
.header-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.header-nav a {
  color: #fff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 5px 12px;
  transition: background 0.12s;
  white-space: nowrap;
}
.header-nav a:hover { background: rgba(255, 255, 255, 0.3); }

main.wrap { padding-top: 32px; padding-bottom: 56px; }

/* Home */
.hero h1 { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text-main); margin: 0 0 8px; }
.hero p { color: var(--text-muted); margin: 0 0 26px; }

.lesson-list { list-style: none; margin: 0; padding: 0; }
.lesson-item {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-left: 6px solid var(--blue-main);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  margin-bottom: 14px;
  transition: transform 0.12s, box-shadow 0.12s;
}
.lesson-item:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(31, 36, 48, 0.11); }
.lesson-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  text-decoration: none;
  color: var(--text-main);
}
.lesson-title { font-weight: 700; }
.lesson-item a:hover .lesson-title { color: var(--blue-main); }
.lesson-draft { border-left-color: var(--yellow); opacity: 0.9; }
.draft-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--yellow-soft);
  color: #8a6d1a;
  border: 1px solid var(--yellow);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  white-space: nowrap;
}
.empty { color: var(--text-muted); font-style: italic; }

/* Pagina lezione */
.lesson {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 40px 46px;
}
.lesson-tools {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 22px;
}
.lesson-tools a { color: var(--blue-main); text-decoration: none; }
.lesson-tools a:hover { text-decoration: underline; }
.draft-alert {
  background: var(--yellow-soft);
  border: 1px solid var(--yellow);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.9rem;
}

.lesson h1 { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.02em; color: var(--text-main); line-height: 1.3; margin-top: 0; }
.lesson h2 {
  font-size: 1.22rem;
  font-weight: 700;
  color: var(--blue-main);
  border-bottom: 2px solid var(--blue-soft);
  padding-bottom: 7px;
  margin-top: 2.3em;
}
.lesson h3 { font-size: 1.02rem; font-weight: 700; color: var(--text-main); margin-top: 1.6em; }
.lesson .kicker {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--blue-main);
  font-weight: 800;
  background: var(--blue-soft);
  display: inline-block;
  border-radius: var(--radius-full);
  padding: 4px 14px;
}
.lesson .lead { font-size: 1.06rem; color: var(--text-muted); }

.lesson table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.3em 0;
  font-size: 0.9rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.lesson th, .lesson td {
  border-bottom: 1px solid var(--border-soft);
  padding: 10px 13px;
  text-align: left;
  vertical-align: top;
}
.lesson td + td, .lesson th + th { border-left: 1px solid var(--border-soft); }
.lesson tr:last-child td { border-bottom: none; }
.lesson th { background: var(--blue-soft); color: var(--blue-dark); font-weight: 700; }
.lesson tr:nth-child(even) td { background: var(--field-bg); }

.lesson .box {
  background: var(--blue-soft);
  border-left: 6px solid var(--blue-main);
  border-radius: var(--radius-md);
  padding: 15px 19px;
  margin: 1.3em 0;
}
.lesson .box-warn {
  background: var(--orange-soft);
  border-left-color: var(--orange);
}
.lesson ul, .lesson ol { padding-left: 1.4em; }
.lesson li { margin-bottom: 0.35em; }

/* Admin */
.admin-login, .admin-edit, .admin-list {
  background: var(--card-bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 30px 34px;
}
.admin-login { max-width: 430px; margin: 44px auto; }
.admin-login h1, .admin-edit h1, .admin-list h1 { color: var(--text-main); font-weight: 800; font-size: 1.3rem; margin-top: 0; }

label { display: block; font-weight: 600; margin: 14px 0 5px; font-size: 0.88rem; }
input[type="text"], input[type="password"], input[type="number"], textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--field-bg);
  transition: border-color 0.12s, box-shadow 0.12s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--blue-main);
  box-shadow: 0 0 0 3px rgba(47, 108, 203, 0.15);
  background: #fff;
}
textarea { font-family: Consolas, Menlo, monospace; font-size: 0.84rem; line-height: 1.5; }
button {
  background: var(--blue-main);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 11px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  margin-top: 14px;
  box-shadow: var(--shadow-sm);
  transition: background 0.12s;
}
button:hover { background: var(--blue-dark); }
.btn-secondary {
  display: inline-block;
  margin: 14px 0 0 10px;
  color: var(--blue-main);
  font-weight: 600;
  font-size: 0.95rem;
}
.field-row { display: flex; gap: 18px; align-items: flex-end; flex-wrap: wrap; }
.field-row .grow { flex: 1; }
.check-inline { display: flex; align-items: center; gap: 8px; font-weight: 600; margin: 14px 0 8px; }
.check-inline input { width: 18px; height: 18px; accent-color: var(--blue-main); }

.alert-error {
  background: #fdecea;
  border: 1px solid #c0392b;
  color: #a94442;
  border-radius: var(--radius-md);
  padding: 10px 14px;
}
.alert-ok {
  background: #e8f7ef;
  border: 1px solid #5db88a;
  color: #1b7a48;
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td { border: 1px solid var(--border-soft); padding: 9px 11px; text-align: left; }
.admin-table th { background: var(--blue-soft); color: var(--blue-dark); }
.admin-table code { font-size: 0.8rem; color: var(--text-muted); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 18px 0 30px;
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* Mobile */
@media (max-width: 640px) {
  .lesson { padding: 24px 18px; }
  .field-row { flex-direction: column; align-items: stretch; }
  .header-row { flex-direction: column; align-items: flex-start; }
}

/* Stampa */
@media print {
  body { background: #fff; }
  .no-print { display: none !important; }
  .lesson { border: none; box-shadow: none; padding: 0; }
  .lesson h2 { break-after: avoid; }
  .lesson table, .lesson .box { break-inside: avoid; }
}

/* Box "Mettilo in pratica nell'app" (link incrociati corso → app) */
.app-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--blue-soft);
  border: 1px solid var(--blue-main);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin: 2em 0 0.5em;
}
.app-cta .app-cta-icon { font-size: 1.6rem; flex-shrink: 0; }
.app-cta p { margin: 0; font-size: 0.95rem; }
.app-cta a { color: var(--blue-dark); font-weight: 700; }
@media print { .app-cta { display: none; } }