:root {
  color-scheme: dark;
  /* Dark theme (default) — palette adattata da opendataview.it (Proteggimi family). */
  --bg: #0d1926;
  --bg-2: #132238;
  --bg-3: #1a2f4a;
  --fg: #e8f0f8;
  --muted: #94a8c0;
  --accent: #00d4aa;
  --accent-bg: rgba(0,212,170,.12);
  --accent-border: rgba(0,212,170,.4);
  --border: rgba(255,255,255,.07);
  --border-mid: rgba(255,255,255,.14);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f0f4f8;
  --bg-2: #ffffff;
  --bg-3: #e8eef5;
  --fg: #1a2535;
  --muted: #3d5270;
  --accent: #00b894;
  --accent-bg: rgba(0,184,148,.12);
  --accent-border: rgba(0,184,148,.4);
  --border: rgba(0,0,0,.08);
  --border-mid: rgba(0,0,0,.16);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,212,170,.08), transparent 70%),
    radial-gradient(900px 500px at -5% 110%, rgba(59,130,246,.08), transparent 70%),
    var(--bg);
  color: var(--fg);
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Banner "fase di sviluppo" globale */
.dev-banner {
  background: linear-gradient(90deg, rgba(0,212,170,.14), rgba(59,130,246,.14));
  border-bottom: 1px solid var(--accent-border);
  color: var(--fg);
  padding: .55rem 1.5rem;
  text-align: center;
  font-size: .9rem;
  letter-spacing: 0.01em;
}
.dev-banner strong { color: var(--accent); }
.dev-banner a { color: var(--accent); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Mini-wordmark nel navbar (non in home) — link a "/" senza underline */
header.site .brand-wordmark {
  font-family: "Inter Tight", system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 1;
  text-decoration: none;
  background: linear-gradient(95deg, var(--fg) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
header.site .brand-wordmark:hover {
  text-decoration: none;
  filter: brightness(1.1);
}
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  header.site .brand-wordmark { background: none; color: var(--fg); }
}

header.site nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
header.site nav a { color: var(--muted); }
header.site nav a:hover { color: var(--fg); text-decoration: none; }

main {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

h1 { letter-spacing: -0.02em; margin: 0 0 1rem; }
/* I report insights hanno tante sezioni in sequenza (tabelle che si chiudono
   e nuovo h2/h3 subito sotto): margine top abbondante per separazione visiva. */
h2 { margin: 2.5rem 0 .75rem; padding-top: .5rem; border-top: 1px solid var(--border); }
h3 { margin: 2rem 0 .5rem; }
section + h2, section + h3 { margin-top: 2.5rem; }
/* Primo h2/h3 dopo l'h1 della pagina non ha bisogno della separazione marcata. */
h1 + h2, h1 + h3 { margin-top: 1.5rem; border-top: none; padding-top: 0; }

p.muted, .muted { color: var(--muted); }

code { background: var(--bg-2); padding: .1rem .35rem; border-radius: 4px; font-size: .9em; }

footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  text-align: center;
}

/* Hero */
.hero { max-width: 720px; margin-bottom: 2rem; }
.hero h1 { font-size: 2.5rem; margin: 0 0 .5rem; }
.hero .lead { color: var(--fg); font-size: 1.15rem; margin: 0 0 1rem; }

/* Wordmark "APPALTINTEL" — gradient bianco → teal */
.hero .wordmark {
  font-family: "Inter Tight", system-ui, sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 0 0 .75rem;
  display: inline-block;
  background: linear-gradient(95deg, var(--fg) 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero .wordmark { background: none; color: var(--fg); }
}

/* Counters */
.counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.counter {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.counter-value {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.counter-label {
  color: var(--muted);
  font-size: .85rem;
  margin-top: .25rem;
}

/* Section titles for home */
.section-title {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  color: var(--fg);
}

/* Features grid (Cosa puoi fare) */
.features { margin: 3rem 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  color: var(--fg);
  transition: border-color .15s;
  display: block;
}
.feature-card:hover { border-color: var(--accent); text-decoration: none; }
.feature-card-disabled { opacity: 0.65; cursor: default; }
.feature-card-disabled:hover { border-color: var(--border); }
.feature-card h3 {
  margin: .5rem 0 .5rem;
  color: var(--fg);
  font-size: 1.05rem;
  font-weight: 600;
}
.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.5;
}
.feature-badge {
  display: inline-block;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: .12rem .55rem;
  border-radius: 999px;
}
.feature-badge-live {
  color: var(--accent);
  background: var(--accent-bg);
  border-color: var(--accent-border);
}

/* Differentiators section (Perché AppaltIntel) — stile editoriale */
.differentiators { margin: 3rem 0; }
.diff-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem 2.5rem;
}
.diff-list li {
  margin: 0;
  border-left: 3px solid var(--accent);
  padding: .15rem 0 .15rem 1.25rem;
}
.diff-list h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 .5rem;
  color: var(--fg);
  line-height: 1.3;
}
.diff-list p {
  margin: 0;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.6;
}

/* Counters strip — versione compatta secondaria */
.counters-strip {
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.counters-strip-label {
  margin: 0 0 .65rem;
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.counters-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.25rem;
}
.cinline { display: inline-flex; align-items: baseline; gap: .4rem; }
.cinline-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.cinline-label { color: var(--muted); font-size: .85rem; }

/* Search */
form.search { margin: 1rem 0 1.5rem; }
form.search input[type="search"] {
  width: 100%;
  max-width: 480px;
  padding: .6rem .85rem;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
}
form.search input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
}

/* Data tables */
table.data {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: .92rem;
}
table.data th, table.data td {
  padding: .55rem .75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
table.data thead th {
  position: sticky;
  top: 0;
  background: var(--bg);
  color: var(--muted);
  font-weight: 500;
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.data tbody tr:hover { background: var(--bg-2); }
table.data .num { text-align: right; font-variant-numeric: tabular-nums; }
table.data .bar-col { width: 30%; }
.bar {
  display: inline-block;
  height: 8px;
  width: var(--w, 0%);
  background: var(--accent);
  border-radius: 2px;
}

/* Heatmap cells */
table.heatmap .heatmap-cell {
  background: rgba(0, 212, 170, calc(var(--intensity, 0) * 0.6));
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-size: .85rem;
  color: var(--fg);
}

/* AI briefing card */
.ai-briefing {
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--accent-border);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0 2rem;
  position: relative;
}
.ai-briefing .ai-badge {
  display: inline-block;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  padding: .15rem .55rem;
  border-radius: 999px;
  margin-bottom: .65rem;
}
.ai-briefing p {
  margin: 0;
  color: var(--fg);
  line-height: 1.6;
}
.ai-briefing-loading {
  display: flex;
  align-items: center;
  gap: .65rem;
  color: var(--muted);
  font-size: .9rem;
}
.ai-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

/* Market filter form */
form.market-filter { margin: 1.5rem 0 2rem; max-width: 640px; }
form.market-filter label {
  display: block;
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: .35rem;
}
form.market-filter select {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .6rem .85rem;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
form.market-filter select:focus { outline: none; border-color: var(--accent); }

/* User nav (auth state) */
header.site .user-nav { display: flex; gap: 1rem; align-items: center; }
header.site .user-nav a { color: var(--accent); }
header.site .user-nav .muted { color: var(--muted); font-size: .85rem; }

/* Theme toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-mid);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: border-color .15s, color .15s;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* Auth forms */
.auth-card {
  max-width: 420px;
  margin: 2rem auto;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
}
.auth-card h1 { margin-top: 0; }
.auth-card form label {
  display: block;
  margin: 1rem 0;
  font-size: .9rem;
  color: var(--muted);
}
.auth-card form input {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .6rem .85rem;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
.auth-card form input:focus { outline: none; border-color: var(--accent); }
.auth-card .auth-actions { display: flex; flex-direction: column; gap: .5rem; margin-top: 1.5rem; }
.btn-primary {
  padding: .65rem 1rem;
  background: var(--accent);
  color: var(--bg);
  border: 0;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-link {
  background: transparent;
  color: var(--accent);
  border: 0;
  cursor: pointer;
  font-size: .9rem;
  padding: .35rem;
  text-align: center;
}
.btn-link:hover { text-decoration: underline; }
.auth-meta { margin-top: 1.5rem; color: var(--muted); font-size: .9rem; text-align: center; }
.error {
  background: #5e1f1f33;
  border: 1px solid #ef445566;
  color: #ff8a8a;
  padding: .65rem .85rem;
  border-radius: 6px;
  margin: 0 0 1rem;
  font-size: .9rem;
}

/* Page-loading overlay (spinner) per la navigazione verso pagine di
   dettaglio lente (supplier_detail, buyer_detail). */
.page-loading {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 9999;
  backdrop-filter: blur(2px);
}
.page-loading.show { display: flex; }
.page-loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.page-loading-text {
  color: #fff;
  font-size: .95rem;
  letter-spacing: 0.02em;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toolbar export del report market (Esporta PDF / Excel) */
.report-toolbar {
  display: flex;
  gap: .5rem;
  justify-content: flex-end;
  margin: 1rem 0 1.5rem;
  flex-wrap: wrap;
}
.btn-secondary {
  display: inline-block;
  padding: .55rem .9rem;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .9rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* Esporta PDF: ora generato server-side via WeasyPrint
   (apps/web/src/appaltintel_web/exporters.py). Niente più window.print(). */

/* CPV combobox: input + datalist sostituisce il select tradizionale */
form.market-filter input[type="text"],
form.market-filter input[type="search"] {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .6rem .85rem;
  background: var(--bg-2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}
form.market-filter input[type="text"]:focus,
form.market-filter input[type="search"]:focus {
  outline: none;
  border-color: var(--accent);
}