/* ── CSS Variables ── */
:root {
  --bg: #0f1117;
  --bg2: #1a1d2e;
  --bg3: #252840;
  --border: #2e3250;
  --accent: #4f6ef7;
  --accent2: #7c3aed;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --sidebar-w: 220px;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ── Sidebar ── */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo h1 { font-size: 14px; color: var(--accent); font-weight: 700; line-height: 1.3; }
.sidebar-logo span { font-size: 11px; color: var(--text2); }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }

.nav-section {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text2);
  letter-spacing: .8px;
  padding: 12px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 7px;
  cursor: pointer;
  color: var(--text2);
  font-size: 13px;
  transition: all .15s;
  user-select: none;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

/* ── Main Content ── */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.topbar h2 { font-size: 18px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

/* ── Views ── */
.view { display: none; }
.view.active { display: block; }

/* ── Stat Cards ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-card .label { font-size: 12px; color: var(--text2); margin-bottom: 6px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .sub { font-size: 11px; color: var(--text2); margin-top: 4px; }
.stat-card.danger .value { color: var(--danger); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.success .value { color: var(--success); }
.stat-card.accent .value { color: var(--accent); }

/* ── Section Header ── */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.section-title { font-size: 15px; font-weight: 600; }

/* ── Cards Grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.card h4 { font-size: 14px; margin-bottom: 4px; }
.card .meta { font-size: 12px; color: var(--text2); }
.card .actions { display: flex; gap: 6px; margin-top: 10px; }

/* ── Table ── */
.table-wrap {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 11px 14px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}
td {
  padding: 11px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(79,110,247,.06); }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}
.badge-aperta { background: rgba(239,68,68,.2); color: #fca5a5; }
.badge-in_lavorazione { background: rgba(245,158,11,.2); color: #fcd34d; }
.badge-chiusa { background: rgba(16,185,129,.2); color: #6ee7b7; }
.badge-pianificato { background: rgba(79,110,247,.2); color: #a5b4fc; }
.badge-completato { background: rgba(16,185,129,.2); color: #6ee7b7; }
.badge-urgente { background: rgba(239,68,68,.3); color: #f87171; }
.badge-alta { background: rgba(245,158,11,.3); color: #fbbf24; }
.badge-normale { background: rgba(148,163,184,.2); color: #94a3b8; }
.badge-bassa { background: rgba(71,85,105,.3); color: #64748b; }
.badge-programmata { background: rgba(79,110,247,.2); color: #a5b4fc; }
.badge-pagato { background: rgba(16,185,129,.2); color: #6ee7b7; }
.badge-non-pagato { background: rgba(239,68,68,.2); color: #fca5a5; }

/* ── Buttons ── */
.btn {
  padding: 7px 14px;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-ghost { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }

/* ── Filters bar ── */
.filters {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.filters select, .filters input {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 7px 12px;
  font-size: 13px;
}

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 520px;
  max-width: 95vw;
  max-height: 85vh;
  overflow-y: auto;
}
.modal h3 { font-size: 17px; margin-bottom: 18px; }

/* ── Form ── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; color: var(--text2); margin-bottom: 5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 7px;
  padding: 9px 12px;
  font-size: 13px;
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }

/* ── Toast ── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}
.toast {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  min-width: 240px;
  animation: slideIn .2s ease;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes slideIn { from { transform: translateX(30px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── VAPI Info Panel ── */
.vapi-panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
}
.vapi-panel h3 { font-size: 14px; color: var(--accent2); margin-bottom: 12px; }
.vapi-tools { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 10px; }
.vapi-tool {
  background: var(--bg3);
  border-radius: 7px;
  padding: 12px;
  border: 1px solid var(--border);
}
.vapi-tool .tool-name { font-size: 12px; font-family: monospace; color: var(--accent); margin-bottom: 4px; }
.vapi-tool .tool-desc { font-size: 12px; color: var(--text2); }
.vapi-tool .tool-url { font-size: 11px; color: var(--text2); margin-top: 6px; font-family: monospace; }

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 40px;
  color: var(--text2);
  font-size: 14px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }