/* ==========================================================================
   SGTOOL VISUAL IDENTITY — shared layer
   Sober · elegant · futuristic. Industrial graphite base, cold titanium
   surfaces, one delicate electric-steel accent. No signal red.
   This sheet loads AFTER each page's inline styles and wins the cascade
   at equal specificity. Tokens are prefixed --sg-* and also re-map the
   legacy variable names used by the pages.
   ========================================================================== */

/* ------------------------------------------------------------------ tokens */
:root {
  /* Surfaces: cold graphite, blueprint-tinted */
  --sg-bg:            #0a0d12;
  --sg-bg-soft:       #0d1117;
  --sg-surface:       rgba(16, 20, 26, 0.85);
  --sg-surface-2:     rgba(22, 27, 34, 0.92);
  --sg-hairline:      rgba(148, 178, 205, 0.14);
  --sg-hairline-soft: rgba(148, 178, 205, 0.08);

  /* Accent: delicate electric steel blue (single brand accent) */
  --sg-accent:        #8fb6d9;
  --sg-accent-strong: #a9cdf0;
  --sg-accent-soft:   rgba(143, 182, 217, 0.16);
  --sg-accent-line:   rgba(143, 182, 217, 0.45);

  /* Semantic status (kept, slightly muted for sobriety) */
  --sg-ok:     #4ade80;
  --sg-warn:   #fbbf24;
  --sg-danger: #f87171;

  /* Text */
  --sg-text:       #eef2f6;
  --sg-text-muted: #93a1b0;

  /* Legacy aliases (pages keep working, recolored) */
  --bg-dark:     var(--sg-bg);
  --bg-card:     var(--sg-surface);
  --bg-card-hover: var(--sg-surface-2);
  --border-color: var(--sg-hairline);
  --border-glow: var(--sg-accent-line);
  --accent-indigo: var(--sg-accent);
  --accent-purple: var(--sg-accent-strong);
  --accent-cyan:  var(--sg-accent-strong);
  --text-main:   var(--sg-text);
  --text-muted:  var(--sg-text-muted);
  --gradient-primary: linear-gradient(135deg, #9ec3e4 0%, #7ea8cd 55%, #5b83a8 100%);
  --gradient-card: linear-gradient(180deg, rgba(24, 29, 36, 0.72) 0%, rgba(13, 17, 23, 0.9) 100%);

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono-num: 'Space Grotesk', 'Outfit', sans-serif;
}

/* ------------------------------------------------------------------ canvas */
body {
  background-color: var(--sg-bg);
  background-image:
    radial-gradient(circle at 14% 8%,  rgba(143, 182, 217, 0.07) 0%, transparent 44%),
    radial-gradient(circle at 86% 94%, rgba(143, 182, 217, 0.045) 0%, transparent 46%),
    repeating-linear-gradient(0deg,  rgba(148, 178, 205, 0.022) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(148, 178, 205, 0.018) 0 1px, transparent 1px 48px);
  color: var(--sg-text);
}

/* ------------------------------------------------------------------ header */
header {
  background: rgba(9, 12, 16, 0.92);
  border-bottom: 1px solid var(--sg-hairline);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.65), 0 12px 36px rgba(0, 0, 0, 0.35);
}

/* Brand mark: SVG logo container (replaces emoji badges) */
.brand-mark {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(150deg, rgba(30, 38, 48, 0.9) 0%, rgba(14, 18, 24, 0.95) 100%);
  border: 1px solid var(--sg-accent-line);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5), 0 6px 18px rgba(0, 0, 0, 0.45);
  flex-shrink: 0;
}
.brand-mark svg {
  width: 24px;
  height: 24px;
  display: block;
  filter: drop-shadow(0 0 6px rgba(143, 182, 217, 0.45));
}

.brand-title {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 3px;
  background: linear-gradient(100deg, #ffffff 0%, #dfe7ee 55%, var(--sg-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge,
.brand-sub {
  background: var(--sg-accent-soft);
  border: 1px solid var(--sg-hairline);
  color: var(--sg-accent-strong);
  letter-spacing: 0.6px;
}

/* ------------------------------------------------------------------ cards */
.search-card, .card, .stat-card, .control-block, .login-card {
  background: var(--sg-surface);
  border: 1px solid var(--sg-hairline);
  border-radius: 14px;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.stat-card { position: relative; overflow: hidden; }
.stat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sg-accent) 0%, rgba(143, 182, 217, 0.2) 55%, transparent 100%);
  opacity: 0.8;
}

/* Numerals: technical, tabular */
.stat-val, .q-title, .inline-stat, .status-badge, table td, table th,
.price-green, #priceRangeDisplay, .scan-summary-val {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.2px;
}
.stat-val, .price-green, .scan-summary-val {
  font-family: var(--font-mono-num);
}

/* ------------------------------------------------------------- buttons */
.btn-search, .btn-primary, .btn-submit {
  background: linear-gradient(135deg, #9ec3e4 0%, #7ea8cd 55%, #5b83a8 100%) !important;
  color: #0a0d12 !important;
  border: 1px solid rgba(169, 205, 240, 0.4);
  box-shadow: 0 8px 22px rgba(94, 141, 184, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.btn-search:hover, .btn-primary:hover, .btn-submit:hover {
  box-shadow: 0 10px 28px rgba(94, 141, 184, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  filter: brightness(1.05);
}

.btn-ghost, .btn-category, .btn-toggle-all, .btn-reset-price, .btn-stop {
  background: rgba(148, 178, 205, 0.05) !important;
  border: 1px solid var(--sg-hairline) !important;
  color: #cfd9e2 !important;
}
.btn-ghost:hover, .btn-category:hover, .btn-toggle-all:hover, .btn-reset-price:hover {
  border-color: var(--sg-accent-line) !important;
  color: var(--sg-accent-strong) !important;
  background: var(--sg-accent-soft) !important;
}
.btn-stop:hover {
  border-color: rgba(248, 113, 113, 0.5) !important;
  color: var(--sg-danger) !important;
  background: rgba(248, 113, 113, 0.08) !important;
}

/* Header nav pills (Ricerca/Controllo/Logout) and admin-header buttons,
   including inline-styled ones on ricerca.html */
.nav-btn, .btn-admin-header {
  background: var(--sg-accent-soft) !important;
  border: 1px solid var(--sg-hairline) !important;
  color: var(--sg-accent-strong) !important;
}
.nav-btn:hover, .btn-admin-header:hover {
  border-color: var(--sg-accent-line) !important;
  box-shadow: 0 0 14px rgba(143, 182, 217, 0.18);
}

.category-option:hover {
  border-color: var(--sg-accent-line);
  background: var(--sg-accent-soft);
}

/* ------------------------------------------------------------- inputs */
input, textarea, select {
  border-color: var(--sg-hairline);
}
input:focus, textarea:focus, select:focus, button:focus-visible {
  outline: none;
  border-color: var(--sg-accent-line) !important;
  box-shadow: 0 0 0 3px rgba(143, 182, 217, 0.16) !important;
}

/* Price range slider: steel track + light thumb */
.price-slider-container input[type="range"]::-webkit-slider-thumb {
  background: var(--sg-accent-strong) !important;
  border-color: rgba(10, 13, 18, 0.6);
}
#priceRangeDisplay { color: var(--sg-accent-strong) !important; }

/* ------------------------------------------------------------- tables */
table th {
  color: var(--sg-text-muted);
  border-bottom: 1px solid var(--sg-hairline);
}
table td { border-bottom: 1px solid var(--sg-hairline-soft); }

/* ------------------------------------------------------------- focus ring
   and scrollbars, coherent with the steel accent */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--sg-bg-soft); }
::-webkit-scrollbar-thumb {
  background: rgba(143, 182, 217, 0.22);
  border-radius: 6px;
  border: 2px solid var(--sg-bg-soft);
}
::-webkit-scrollbar-thumb:hover { background: rgba(143, 182, 217, 0.36); }

::selection { background: rgba(143, 182, 217, 0.28); }

/* ------------------------------------------------------------- login page */
.login-card { border: 1px solid var(--sg-hairline); }
.login-title {
  background: linear-gradient(100deg, #ffffff 0%, #dfe7ee 55%, var(--sg-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.form-input:focus {
  border-color: var(--sg-accent-line);
  box-shadow: 0 0 12px rgba(143, 182, 217, 0.2);
}
.alert-error {
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: var(--sg-danger);
}

/* ------------------------------------------------------------- titles */
.hero-h1, .hero h1, .card-heading, .login-title {
  letter-spacing: -0.2px;
}

/* Hero: white-to-steel gradient instead of legacy salmon.
   NB: si usa il longhand background-image (lo shorthand azzererebbe
   background-clip della regola originale) e si dichiara qui il clip
   perche' non tutte le pagine lo hanno nella loro regola h1. */
.hero-h1, .hero h1 {
  background-image: linear-gradient(135deg, #ffffff 0%, #cbd9e4 55%, var(--sg-accent) 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent;
}

/* Legacy salmon error/notice texts -> steel */
#formError, .form-error, .error-text, .results-error {
  color: var(--sg-accent-strong) !important;
}

/* =============================================================
   Toast SGTOOL — notifiche inline non bloccanti (sostituiscono alert())
   Container fisso in alto a destra, impila max 4, auto-dismiss.
   ============================================================= */
.sg-toast-container {
  position: fixed;
  top: 74px;                    /* sotto la topbar */
  right: 18px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(380px, calc(100vw - 36px));
  pointer-events: none;         /* solo i toast sono cliccabili */
}

.sg-toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--sg-surface-2);
  border: 1px solid var(--sg-hairline);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
  color: var(--sg-text);
  font-size: 0.88rem;
  line-height: 1.45;
  pointer-events: auto;
  cursor: pointer;
  opacity: 0;
  transform: translateX(16px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.sg-toast.sg-toast--in {
  opacity: 1;
  transform: translateX(0);
}

.sg-toast.sg-toast--leaving {
  opacity: 0;
  transform: translateX(16px);
}

/* Barra laterale di stato: acciaio (info), verde (ok), ambra (warn), rosso (error) */
.sg-toast::before {
  content: '';
  align-self: stretch;
  width: 3px;
  border-radius: 3px;
  flex-shrink: 0;
  background: var(--sg-accent);
}
.sg-toast--ok::before     { background: var(--sg-ok); }
.sg-toast--warn::before   { background: var(--sg-warn); }
.sg-toast--error::before  { background: var(--sg-danger); }

.sg-toast-icon {
  flex-shrink: 0;
  font-size: 0.95rem;
  line-height: 1.45;
}
.sg-toast--ok .sg-toast-icon    { color: var(--sg-ok); }
.sg-toast--warn .sg-toast-icon  { color: var(--sg-warn); }
.sg-toast--error .sg-toast-icon { color: var(--sg-danger); }
.sg-toast--info .sg-toast-icon  { color: var(--sg-accent-strong); }

.sg-toast-text {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.sg-toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--sg-text-muted);
  font-size: 1.1rem;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
}
.sg-toast-close:hover { color: var(--sg-text); }

@media (prefers-reduced-motion: reduce) {
  .sg-toast { transition: none; transform: none; }
}

/* =============================================================
   Banner "Riprendi ricerca" — annuncia un run completato mentre
   l'utente era via, invece di mostrare i risultati in silenzio.
   ============================================================= */
.resume-banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--sg-surface-2);
  border: 1px solid var(--sg-accent-line);
  color: var(--sg-text);
  font-size: 0.88rem;
  line-height: 1.45;
}

.resume-banner-text {
  flex: 1;
  min-width: 220px;
}

.resume-banner-actions {
  display: flex;
  gap: 8px;
}

.resume-banner-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--sg-hairline);
  background: var(--sg-surface);
  color: var(--sg-text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.resume-banner-btn:hover {
  border-color: var(--sg-accent-line);
  color: var(--sg-text);
}

.resume-banner-btn.primary {
  background: var(--sg-accent-soft);
  border-color: var(--sg-accent-line);
  color: var(--sg-accent-strong);
}

.resume-banner-btn.primary:hover {
  background: var(--sg-accent-line);
  color: var(--sg-text);
}