/* QdC — Quaderno di Campagna
   Palette e stile derivati dal mockup approvato (artifact Design, D. "Ok ci siamo con il layout")
   Nessuna dipendenza esterna: CSS puro, nessun framework. */

:root {
  --bg: #FFFFFF;
  --surface: #FDFCFA;
  --text: #3A3A35;
  --muted: #A6A69A;
  --muted-2: #8A8A7E;
  --border: #EEEBE3;
  --border-2: #F2EFE8;
  --accent: #D9A383;
  --accent-contrast: #FFFFFF;
  --sage-bg: #EEF2EA;
  --sage: #AEC2A8;
  --sage-dark: #8FA888;
  --sage-darker: #5C7657;
  --sage-hover: #6E8A68;
  --sage-mid: #7C9478;

  --font-body: -apple-system, 'Segoe UI', sans-serif;
  --font-head: Georgia, 'Iowan Old Style', serif;

  --radius: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--sage-dark); text-decoration: none; }
a:hover { color: var(--sage-hover); }

button {
  font-family: inherit;
  cursor: pointer;
}

/* ---------- App shell ---------- */

.app-shell {
  display: flex;
  min-height: 100vh;
}

/* Sidebar (desktop) */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar .brand {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  padding: 0 10px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar nav a {
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 14px;
  color: var(--muted-2);
  font-weight: 500;
}

.sidebar nav a.active {
  font-weight: 600;
  color: var(--sage-darker);
  background: var(--sage-bg);
}

.sidebar nav a:hover:not(.active) {
  background: var(--border-2);
  color: var(--text);
}

/* Topbar (mobile) */
.topbar {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-2);
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  width: 20px;
  height: 2px;
  background: var(--text);
  display: block;
}

.topbar .brand-mobile {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.topbar .eyebrow {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: .03em;
}

/* Mobile drawer nav */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(58,58,53,.25);
  z-index: 40;
}

.drawer {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 240px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 24px 18px;
  z-index: 50;
  transform: translateX(-100%);
  transition: transform .2s ease;
}

.drawer.open { transform: translateX(0); }
.drawer-overlay.open { display: block; }

.drawer nav { display: flex; flex-direction: column; gap: 4px; margin-top: 24px; }
.drawer nav a { padding: 12px 14px; border-radius: 9px; font-size: 15px; color: var(--muted-2); }
.drawer nav a.active { font-weight: 600; color: var(--sage-darker); background: var(--sage-bg); }

/* Main content area */
.content {
  flex: 1;
  min-width: 0;
  padding: 32px 40px;
}

.view { display: none; }
.view.active { display: block; }

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

.view-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
}

.view-sub {
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Cards / UI primitives ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.card-dashed {
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-divider {
  height: 1px;
  background: var(--border-2);
  margin: 12px 0;
}

.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .02em;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  margin-top: 6px;
  color: var(--text);
}

.stat-value.positive { color: var(--sage-hover); }

.btn-primary {
  padding: 14px 20px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 15px;
  font-weight: 700;
}

.btn-secondary {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--muted-2);
  font-size: 14px;
  font-weight: 600;
}

.btn-secondary.active {
  border: none;
  background: var(--sage-bg);
  color: var(--sage-darker);
}

.tab-row { display: flex; gap: 8px; margin-bottom: 18px; }

.table-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-2);
  font-size: 13px;
}
.table-row:last-child { border-bottom: none; }
.table-row .muted { color: var(--muted); }

.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted-2);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--sage-bg);
  color: var(--sage-darker);
}

.placeholder-box {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 40px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.hidden { display: none !important; }

/* ---------- Modale ---------- */

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(58,58,53,.35);
  z-index: 60;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 420px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.modal-actions .btn-primary,
.modal-actions .btn-secondary { flex: 1; }

.modal-error {
  font-size: 13px;
  background: #FBEAE8;
  color: #9A4A3E;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  display: none;
}

.modal-error.show { display: block; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .sidebar { display: none; }
  .topbar { display: flex; }
  .content { padding: 20px; }
  .grid-cards { grid-template-columns: 1fr; }
}

@media (min-width: 961px) {
  .drawer, .drawer-overlay { display: none !important; }
}