/* =========================================================
   KAIROS4 — Core Sito Runtime — CSS
   Libreria cross-template che girando in ogni sito futuro
   gestisce le 3 primitive:
     1. off-canvas carrello       (._ksito_oc_*)
     2. banner cookie tecnici     (._ksito_cookie_*)
     3. banner GDPR consent       (._ksito_gdpr_*)

   NAMESPACE OBBLIGATORIO: ogni classe inizia con _ksito_ per
   non collidere con il CSS del template ospite (Bootstrap o altro).
   ========================================================= */

/* -------------------------------------------------------------
   Variabili interne (scopiate dal sito ospite se vuole sovrascrivere)
   ------------------------------------------------------------- */
:root {
  --_ksito-bg:        #ffffff;
  --_ksito-fg:        #0b1220;
  --_ksito-muted:     #6b7689;
  --_ksito-border:    #e2e7ef;
  --_ksito-accent:    #1d4ed8;
  --_ksito-success:   #16a34a;
  --_ksito-danger:    #dc2626;
  --_ksito-shadow:    0 20px 60px rgba(0,0,0,.18);
  --_ksito-radius:    10px;
  --_ksito-z-cart:    10800;
  --_ksito-z-banner:  10700;
  --_ksito-font:      "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* =============================================================
   1) OFF-CANVAS CARRELLO
   ============================================================= */
._ksito_oc_backdrop {
  position: fixed; inset: 0;
  background: rgba(11,18,32,.45);
  z-index: var(--_ksito-z-cart);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
._ksito_oc_backdrop.is-open { opacity: 1; pointer-events: auto; }

._ksito_oc_panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 420px; max-width: 95vw;
  background: var(--_ksito-bg); color: var(--_ksito-fg);
  font-family: var(--_ksito-font);
  z-index: calc(var(--_ksito-z-cart) + 1);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform .28s cubic-bezier(.2,.7,.2,1);
  box-shadow: var(--_ksito-shadow);
}
._ksito_oc_panel.is-open { transform: translateX(0); }

._ksito_oc_header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--_ksito-border);
}
._ksito_oc_title { font-size: 1rem; font-weight: 600; margin: 0; }
._ksito_oc_count {
  font-size: .75rem; color: var(--_ksito-muted); font-weight: 400; margin-left: 6px;
}
._ksito_oc_close {
  background: transparent; border: 0; cursor: pointer;
  width: 32px; height: 32px; border-radius: 8px;
  color: var(--_ksito-muted);
  display: inline-flex; align-items: center; justify-content: center;
}
._ksito_oc_close:hover { background: rgba(11,18,32,.06); color: var(--_ksito-fg); }

._ksito_oc_body {
  flex: 1; overflow: auto;
  padding: 12px 16px;
}
._ksito_oc_loading {
  text-align: center; color: var(--_ksito-muted);
  font-size: .85rem; padding: 24px 0;
}
._ksito_oc_empty {
  text-align: center; color: var(--_ksito-muted);
  padding: 32px 0; font-size: .9rem;
}

/* Riga prodotto nell'off-canvas: thumb + meta + qty stepper + remove */
._ksito_oc_item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--_ksito-border);
  align-items: center;
}
._ksito_oc_item.is-removing { opacity: .35; pointer-events: none; }

._ksito_oc_thumb {
  width: 56px; height: 56px;
  border-radius: 8px;
  background: #f3f5f9;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  color: var(--_ksito-muted);
}
._ksito_oc_thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
._ksito_oc_thumb i { font-size: 1.4rem; opacity: .5; }

._ksito_oc_item_main { min-width: 0; }
._ksito_oc_item_title {
  font-size: .82rem; font-weight: 500; line-height: 1.25;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
._ksito_oc_item_meta {
  font-size: .72rem; color: var(--_ksito-muted); margin-top: 2px;
}

._ksito_oc_qty {
  display: inline-flex; align-items: center; gap: 0;
  margin-top: 6px;
  border: 1px solid var(--_ksito-border);
  border-radius: 6px;
  overflow: hidden;
  width: fit-content;
}
._ksito_oc_qty_btn {
  width: 26px; height: 26px;
  background: #fff; color: var(--_ksito-fg);
  border: 0; padding: 0; cursor: pointer;
  font-size: 1rem; line-height: 1; font-weight: 500;
  display: inline-flex; align-items: center; justify-content: center;
}
._ksito_oc_qty_btn:hover { background: #f3f5f9; }
._ksito_oc_qty_btn:disabled { opacity: .35; cursor: not-allowed; background: #fff; }
._ksito_oc_qty_val {
  min-width: 30px; text-align: center;
  font-size: .82rem; font-weight: 600;
  padding: 0 6px;
  border-left: 1px solid var(--_ksito-border);
  border-right: 1px solid var(--_ksito-border);
  background: #fafbfc;
}

._ksito_oc_item_side {
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  white-space: nowrap;
}
._ksito_oc_remove {
  width: 26px; height: 26px;
  background: transparent; color: var(--_ksito-muted);
  border: 0; padding: 0; cursor: pointer;
  border-radius: 6px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .85rem;
}
._ksito_oc_remove:hover { background: rgba(220,38,38,.08); color: var(--_ksito-danger); }
._ksito_oc_item_total {
  font-weight: 600; font-size: .88rem;
}

._ksito_oc_footer {
  border-top: 1px solid var(--_ksito-border);
  padding: 14px 16px;
  background: #fafbfc;
}
._ksito_oc_totale {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px; font-size: .9rem;
}
._ksito_oc_totale strong { font-size: 1.15rem; }
._ksito_oc_cta {
  display: block; width: 100%; padding: 10px 14px;
  text-align: center; text-decoration: none;
  background: var(--_ksito-accent); color: #fff;
  border-radius: 8px; font-weight: 600; font-size: .9rem;
  border: 0; cursor: pointer;
}
._ksito_oc_cta:hover { filter: brightness(.95); color: #fff; }
._ksito_oc_cta_secondary {
  display: block; width: 100%; padding: 8px 14px; margin-top: 6px;
  text-align: center; text-decoration: none;
  background: transparent; color: var(--_ksito-fg);
  border-radius: 8px; font-size: .82rem;
  border: 1px solid var(--_ksito-border); cursor: pointer;
}
._ksito_oc_cta_outline {
  display: block; width: 100%; padding: 10px 14px;
  text-align: center; text-decoration: none;
  background: #fff; color: var(--_ksito-accent);
  border-radius: 8px; font-weight: 600; font-size: .9rem;
  border: 1.5px solid var(--_ksito-accent); cursor: pointer;
}
._ksito_oc_cta_outline:hover {
  background: var(--_ksito-accent); color: #fff;
}

/* =============================================================
   2) COOKIE BANNER (tecnici / strettamente necessari)
   ============================================================= */
._ksito_cookie_bar {
  position: fixed; left: 16px; right: 16px; bottom: 16px;
  max-width: 720px; margin: 0 auto;
  background: #fff; color: var(--_ksito-fg);
  border-radius: var(--_ksito-radius);
  box-shadow: var(--_ksito-shadow);
  padding: 14px 16px;
  font-family: var(--_ksito-font); font-size: .85rem;
  z-index: var(--_ksito-z-banner);
  display: flex; gap: 14px; align-items: flex-start; flex-wrap: wrap;
  transform: translateY(20px); opacity: 0;
  transition: transform .25s ease, opacity .25s ease;
}
._ksito_cookie_bar.is-open { transform: translateY(0); opacity: 1; }
._ksito_cookie_bar p { margin: 0; flex: 1 1 280px; line-height: 1.45; }
._ksito_cookie_bar a { color: var(--_ksito-accent); }
._ksito_cookie_actions { display: flex; gap: 6px; flex-wrap: wrap; }
._ksito_cookie_btn {
  border: 0; padding: 8px 14px; border-radius: 8px;
  font-size: .82rem; font-weight: 500; cursor: pointer;
}
._ksito_cookie_btn_primary  { background: var(--_ksito-accent); color: #fff; }
._ksito_cookie_btn_outline  { background: #fff; color: var(--_ksito-fg); border: 1px solid var(--_ksito-border); }

/* =============================================================
   3) GDPR CONSENT BANNER (per profilazione / marketing)
   ============================================================= */
._ksito_gdpr_overlay {
  position: fixed; inset: 0;
  background: rgba(11,18,32,.55);
  z-index: calc(var(--_ksito-z-banner) - 5);
  opacity: 0; pointer-events: none;
  transition: opacity .22s ease;
}
._ksito_gdpr_overlay.is-open { opacity: 1; pointer-events: auto; }
._ksito_gdpr_panel {
  position: fixed; left: 50%; bottom: 24px;
  transform: translateX(-50%) translateY(20px);
  background: #fff; color: var(--_ksito-fg);
  border-radius: var(--_ksito-radius);
  box-shadow: var(--_ksito-shadow);
  width: min(720px, 92vw);
  padding: 18px 20px;
  font-family: var(--_ksito-font); font-size: .88rem;
  z-index: var(--_ksito-z-banner);
  opacity: 0;
  transition: opacity .25s ease, transform .25s ease;
}
._ksito_gdpr_panel.is-open { opacity: 1; transform: translateX(-50%) translateY(0); }
._ksito_gdpr_title { font-size: 1rem; font-weight: 600; margin: 0 0 6px; }
._ksito_gdpr_text  { margin: 0 0 14px; color: var(--_ksito-muted); line-height: 1.5; }
._ksito_gdpr_choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin-bottom: 14px; }
._ksito_gdpr_choice {
  border: 1px solid var(--_ksito-border); border-radius: 8px; padding: 10px 12px;
  display: flex; gap: 10px; align-items: flex-start;
}
._ksito_gdpr_choice input[type="checkbox"] { margin-top: 3px; }
._ksito_gdpr_choice .label { font-weight: 500; font-size: .82rem; }
._ksito_gdpr_choice .help  { font-size: .72rem; color: var(--_ksito-muted); }
._ksito_gdpr_actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
._ksito_gdpr_btn {
  border: 0; padding: 9px 16px; border-radius: 8px;
  font-size: .85rem; font-weight: 500; cursor: pointer;
}
._ksito_gdpr_btn_primary { background: var(--_ksito-accent); color: #fff; }
._ksito_gdpr_btn_outline { background: #fff; color: var(--_ksito-fg); border: 1px solid var(--_ksito-border); }
._ksito_gdpr_btn_ghost   { background: transparent; color: var(--_ksito-muted); }

/* =============================================================
   5) COOKIE PREFERENCES TRIGGER (floating bottom-left)
   ============================================================= */
._ksito_cookie_trigger {
  position: fixed;
  left: 16px; bottom: 16px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fff; color: var(--_ksito-fg);
  border: 1px solid var(--_ksito-border);
  box-shadow: 0 6px 18px rgba(0,0,0,.12);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.15rem; line-height: 1;
  z-index: calc(var(--_ksito-z-banner) - 10);
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
._ksito_cookie_trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0,0,0,.18);
  background: #fafbfc;
}
._ksito_cookie_trigger:focus-visible {
  outline: 2px solid var(--_ksito-accent);
  outline-offset: 2px;
}
@media (max-width: 640px) {
  ._ksito_cookie_trigger { width: 40px; height: 40px; font-size: 1rem; }
}

/* =============================================================
   4) LOADER UNIVERSALE (overlay fullscreen con spinner)
   ============================================================= */
._ksito_loader_overlay {
  position: fixed; inset: 0;
  background: rgba(11,18,32,.35);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 11500;
  display: none;
  align-items: center; justify-content: center;
  opacity: 0;
  transition: opacity .18s ease;
}
._ksito_loader_overlay.is-open { display: flex; opacity: 1; }
._ksito_loader_box {
  background: #fff; color: var(--_ksito-fg);
  border-radius: var(--_ksito-radius);
  box-shadow: var(--_ksito-shadow);
  padding: 22px 28px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  min-width: 160px;
  font-family: var(--_ksito-font);
}
._ksito_loader_spinner {
  width: 38px; height: 38px;
  border: 3px solid var(--_ksito-border);
  border-top-color: var(--_ksito-accent);
  border-radius: 50%;
  animation: _ksito_loader_spin .8s linear infinite;
}
._ksito_loader_msg {
  font-size: .85rem; color: var(--_ksito-muted);
  text-align: center;
}
@keyframes _ksito_loader_spin {
  to { transform: rotate(360deg); }
}

/* =============================================================
   NOTIFY (toast) — stub minimo per kSito.notify
   ============================================================= */
._ksito_notify_wrap {
  position: fixed; right: 16px; top: 16px;
  z-index: 11000;
  display: flex; flex-direction: column; gap: 8px;
}
._ksito_notify_item {
  background: #fff; color: var(--_ksito-fg);
  border-left: 4px solid var(--_ksito-accent);
  border-radius: 6px; padding: 10px 14px;
  box-shadow: 0 4px 14px rgba(0,0,0,.12);
  font-family: var(--_ksito-font); font-size: .85rem;
  min-width: 240px; max-width: 360px;
}
._ksito_notify_item._ksito_notify_ok   { border-left-color: var(--_ksito-success); }
._ksito_notify_item._ksito_notify_warn { border-left-color: #d97706; }
._ksito_notify_item._ksito_notify_err  { border-left-color: var(--_ksito-danger); }