/* ==========================================================================
   KimiChat — Assistenza client B2B (Liquid Glass corporate)
   Override e design system su .mp-chat-* (base in marchiotto-additions.css)
   ========================================================================== */

/* ── FAB e token globali trigger ───────────────────────────────────────── */
body.client-side {
  --mp-chat-bg: linear-gradient(145deg, #3878c8 0%, #1e4a7a 52%, #163a62 100%);
  --mp-chat-shadow: 0 4px 18px rgba(30, 64, 120, 0.42), 0 1px 3px rgba(0, 0, 0, 0.2);
  --mp-chat-hover-shadow: 0 8px 28px rgba(37, 99, 235, 0.48), 0 2px 8px rgba(0, 0, 0, 0.22);
}

.mp-chat-trigger:focus-visible {
  outline: 2px solid #93c5fd;
  outline-offset: 3px;
}

/* ── Design system pannello ─────────────────────────────────────────────── */
.mp-chat-panel {
  font-family: var(--glass-font-sans, "Montserrat", "Open Sans", system-ui, sans-serif);
  --mp-chat-surface: var(--glass-bg, rgba(28, 45, 72, 0.96));
  --mp-chat-surface-elevated: rgba(34, 54, 82, 0.94);
  --mp-chat-border: rgba(168, 220, 255, 0.24);
  --mp-chat-border-strong: rgba(147, 197, 253, 0.42);
  --mp-chat-text: #f8fafc;
  --mp-chat-text-muted: #cbd5e1;
  --mp-chat-text-subtle: #94a3b8;
  --mp-chat-accent: #3b82f6;
  --mp-chat-accent-hover: #60a5fa;
  --mp-chat-label-agent: #a8dcff;
  --mp-chat-font-size: 1rem;
  --mp-chat-font-size-sm: 0.875rem;
  --mp-chat-font-size-xs: 0.8125rem;
  --mp-chat-font-size-meta: 0.75rem;
  --mp-chat-line-height: 1.55;
  --mp-chat-bubble-weight: 450;
  --mp-chat-space-xs: var(--sp-2, 0.5rem);
  --mp-chat-space-sm: var(--sp-3, 0.75rem);
  --mp-chat-space-md: var(--sp-4, 1rem);
  --mp-chat-head-action-h: 2.75rem;
  --mp-chat-chip-dimmed: 0.58;
  background: var(--mp-chat-surface);
  border-color: var(--mp-chat-border);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(168, 220, 255, 0.08) inset;
}

@media (min-width: 768px) {
  .mp-chat-panel {
    --mp-chat-font-size: 1.0625rem;
    --mp-chat-line-height: 1.52;
  }
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.mp-chat-panel__head {
  padding: var(--mp-chat-space-sm) var(--mp-chat-space-md);
  gap: var(--mp-chat-space-sm);
  background: linear-gradient(180deg, rgba(56, 120, 200, 0.12) 0%, transparent 100%);
  border-bottom-color: rgba(148, 163, 184, 0.16);
}

.mp-chat-panel__avatar {
  width: 2.25rem;
  height: 2.25rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(145deg, rgba(56, 120, 200, 0.95), rgba(20, 52, 92, 0.95));
  border-color: rgba(168, 220, 255, 0.4);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.35);
}

.mp-chat-panel__title {
  font-size: var(--mp-chat-font-size-sm);
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--mp-chat-text);
}

.mp-chat-panel__subtitle {
  margin-top: 0.14rem;
  font-size: var(--mp-chat-font-size-meta);
  font-weight: 500;
  line-height: 1.35;
  color: var(--mp-chat-text-muted);
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mp-chat-panel__ticket-btn,
.mp-chat-panel__new-chat,
.mp-chat-panel__resolved,
.mp-chat-panel__close,
.mp-chat-panel__overflow {
  font-size: var(--mp-chat-font-size-meta);
}

.mp-chat-panel__resolved:not(.is-available) {
  display: inline-flex !important;
  opacity: 0.45;
  cursor: not-allowed;
  filter: grayscale(0.15);
}

.mp-chat-panel__ticket-btn__icon {
  display: inline-flex;
  width: 0.95rem;
  height: 0.95rem;
  align-items: center;
  justify-content: center;
}

.mp-chat-panel__ticket-btn__icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

/* Onboarding: meno rumore in header */
.mp-chat-panel--onboarding .mp-chat-panel__resolved {
  display: none !important;
}

/* ── Banner centro chiuso (token condivisi portale) ─────────────────────── */
.mp-chat-panel__support-banner {
  padding: var(--mp-chat-space-sm) var(--mp-chat-space-md);
  font-size: var(--mp-chat-font-size-meta);
  line-height: 1.45;
  color: var(--mp-closed-text, #fee2e2);
  background: linear-gradient(
    90deg,
    var(--mp-closed-bg, rgba(220, 38, 38, 0.26)) 0%,
    rgba(69, 10, 10, 0.32) 100%
  );
  border-bottom: 1px solid var(--mp-closed-border, rgba(254, 202, 202, 0.92));
}

.mp-chat-panel__support-banner strong {
  font-size: var(--mp-chat-font-size-sm);
  font-weight: 700;
  color: var(--mp-closed-text-strong, #fff);
}

/* ── Area messaggi ──────────────────────────────────────────────────────── */
.mp-chat-panel__messages {
  padding: var(--mp-chat-space-sm) var(--mp-chat-space-md);
  gap: var(--mp-chat-space-sm);
  font-size: var(--mp-chat-font-size);
  line-height: var(--mp-chat-line-height);
}

.mp-chat-msg {
  max-width: 88%;
}

.mp-chat-msg--greeting {
  max-width: 100%;
  width: 100%;
}

.mp-chat-msg--greeting .mp-chat-msg__label {
  display: none;
}

.mp-chat-msg__label {
  font-size: var(--mp-chat-font-size-meta);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: none;
  color: var(--mp-chat-text-subtle);
  margin-bottom: 0.22rem;
}

.mp-chat-msg--agent .mp-chat-msg__label {
  color: var(--mp-chat-label-agent);
}

.mp-chat-msg__bubble {
  padding: 0.5rem 0.72rem;
  border-radius: 0.85rem;
  font-size: var(--mp-chat-font-size);
  font-weight: var(--mp-chat-bubble-weight);
  line-height: var(--mp-chat-line-height);
}

.mp-chat-msg--agent .mp-chat-msg__bubble {
  background: linear-gradient(148deg, rgba(24, 48, 82, 0.94), rgba(18, 36, 64, 0.9));
  border-color: rgba(96, 178, 255, 0.3);
  color: var(--mp-chat-text);
}

.mp-chat-msg--client .mp-chat-msg__bubble {
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.72), rgba(29, 78, 216, 0.65));
  border-color: rgba(147, 197, 253, 0.32);
  color: #fff;
}

.mp-chat-msg--greeting .mp-chat-msg__bubble {
  padding: 0.5rem 0.62rem 0.55rem;
  background: linear-gradient(155deg, rgba(22, 42, 72, 0.92), rgba(28, 52, 88, 0.86));
  border-color: var(--mp-chat-border-strong);
}

.mp-chat-msg--error .mp-chat-msg__bubble {
  background: linear-gradient(145deg, rgba(69, 10, 10, 0.88), rgba(127, 29, 29, 0.78));
  border-color: rgba(248, 113, 113, 0.45);
  color: #fecaca;
}

.mp-chat-msg--resolved-ok .mp-chat-msg__bubble {
  border-color: rgba(52, 211, 153, 0.45);
  box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.18);
}

/* ── Onboarding (passi + chip) ──────────────────────────────────────────── */
.mp-chat-onboarding-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 0.4rem;
}

.mp-chat-onboarding-step {
  display: inline-flex;
  align-items: center;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  font-size: var(--mp-chat-font-size-meta);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mp-chat-text-subtle);
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.mp-chat-onboarding-step.is-active {
  color: #e0f2fe;
  background: rgba(59, 130, 246, 0.28);
  border-color: rgba(147, 197, 253, 0.45);
}

.mp-chat-onboarding-step.is-done {
  color: #a7f3d0;
  background: rgba(16, 185, 129, 0.18);
  border-color: rgba(52, 211, 153, 0.35);
}

.mp-chat-greeting-text {
  margin: 0 0 0.35rem;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

.mp-chat-panel__chip-bar--in-greeting {
  margin-top: 0.25rem;
  border-radius: 0.55rem;
  border-color: rgba(96, 165, 250, 0.28);
  background: rgba(12, 26, 48, 0.5);
}

.mp-chat-panel__chip-bar--in-greeting .mp-chat-panel__chip-intro {
  padding: 0.45rem 0.55rem 0.38rem;
  background: transparent;
  border-bottom: 1px solid rgba(96, 165, 250, 0.14);
}

.mp-chat-panel__chip-bar--in-greeting .mp-chat-panel__chip-icon {
  width: 1.65rem;
  height: 1.65rem;
  margin-top: 0;
}

.mp-chat-panel__chip-bar--in-greeting .mp-chat-panel__chip-heading {
  font-size: var(--mp-chat-font-size-meta);
  line-height: 1.35;
}

.mp-chat-panel__chip-bar--in-greeting .mp-chat-panel__chip-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.22rem;
  padding: 0.35rem 0.4rem;
  max-height: 7.5rem;
}

.mp-chat-msg--greeting .mp-chat-panel__chip {
  min-height: 2rem;
  padding: 0.28rem 0.38rem;
  font-size: var(--mp-chat-font-size-meta);
}

/* Suggerimenti collegati alla griglia programma (stessa card) */
.mp-chat-panel__starter-bar--in-greeting {
  margin: 0;
  padding: 0.38rem 0.42rem 0.42rem;
  border-top: 1px solid rgba(96, 165, 250, 0.2);
  background: rgba(10, 22, 42, 0.38);
  border-radius: 0 0 0.55rem 0.55rem;
}

.mp-chat-panel__chip-bar--in-greeting.mp-chat-panel__chip-bar--has-selection {
  border-radius: 0.55rem 0.55rem 0 0;
  border-bottom: none;
}

.mp-chat-panel__chip-bar--in-greeting.mp-chat-panel__chip-bar--has-selection + .mp-chat-panel__starter-bar--in-greeting {
  margin-top: 0;
}

.mp-chat-panel__starter-bar--deferred {
  display: none !important;
}

.mp-chat-panel__starter-label {
  font-size: var(--mp-chat-font-size-meta);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--mp-chat-text-muted);
  margin: 0 0 0.32rem;
}

.mp-chat-panel__starter-product {
  color: #e0f2fe;
  font-weight: 700;
}

.mp-chat-panel__starter-source {
  font-weight: 500;
  color: var(--mp-chat-text-subtle);
  font-size: 0.92em;
}

.mp-chat-panel__starter-loading {
  display: block;
  font-size: var(--mp-chat-font-size-meta);
  color: var(--mp-chat-text-subtle);
  font-style: italic;
  padding: 0.15rem 0;
}

.mp-chat-panel__starter-bar--loading .mp-chat-panel__starter-chip {
  pointer-events: none;
}

.mp-chat-panel__starter-chip {
  font-size: var(--mp-chat-font-size-meta);
  min-height: 2rem;
  padding: 0.38rem 0.62rem;
}

.mp-chat-panel__starter-chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mp-chat-panel__chip-bar--has-selection .mp-chat-panel__chip:not(.is-selected) {
  opacity: var(--mp-chat-chip-dimmed);
}

/* ── Composer ───────────────────────────────────────────────────────────── */
.mp-chat-panel__composer {
  background: rgba(8, 16, 32, 0.55);
  border-top-color: rgba(148, 163, 184, 0.14);
}

.mp-chat-panel--composer-locked .mp-chat-panel__footer {
  opacity: 0.72;
}

.mp-chat-panel--composer-locked .mp-chat-panel__textarea {
  border-style: dashed;
  border-color: rgba(148, 163, 184, 0.28);
  cursor: not-allowed;
}

.mp-chat-panel__composer-lock {
  margin: 0;
  padding: 0.4rem var(--mp-chat-space-md) 0;
  font-size: var(--mp-chat-font-size-meta);
  line-height: 1.4;
  color: var(--mp-chat-text-muted);
}

.mp-chat-panel__textarea {
  font-size: var(--mp-chat-font-size-sm);
  min-height: 2.75rem;
}

.mp-chat-panel__send {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 2.75rem;
  min-height: 2.75rem;
}

.mp-chat-panel--live .mp-chat-panel__send.is-ready:not(:disabled) {
  background: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.45);
  transform: translateY(-1px);
}

.mp-chat-panel__hint {
  font-size: var(--mp-chat-font-size-meta);
  color: var(--mp-chat-text-subtle);
  text-align: left;
  padding: 0  var(--mp-chat-space-md) 0.55rem;
}

.mp-chat-panel__hint-session {
  font-size: var(--mp-chat-font-size-meta);
  color: var(--mp-chat-text-subtle);
}

.mp-chat-panel__status {
  font-size: var(--mp-chat-font-size-meta);
  font-weight: 500;
  color: #bfdbfe;
  padding: 0.28rem var(--mp-chat-space-md);
}

/* ── Fallback CTA → blu corporate ───────────────────────────────────────── */
.mp-chat-msg--fallback .mp-fallback-ticket-btn__inner {
  color: #eff6ff;
  text-shadow: none;
  background: linear-gradient(
    168deg,
    rgba(30, 64, 120, 0.95) 0%,
    rgba(37, 99, 235, 0.88) 50%,
    rgba(29, 78, 216, 0.92) 100%
  );
  border: 1px solid rgba(147, 197, 253, 0.55);
  font-size: var(--mp-chat-font-size-meta);
}

/* ── Markdown risposte: accent cyan (non ambra) ─────────────────────────── */
.mp-chat-msg__bubble .mp-chat-md__h1,
.mp-chat-msg__bubble .mp-chat-md__h2,
.mp-chat-msg__bubble .mp-chat-md__h3,
.mp-chat-msg__bubble .mp-chat-md__h4 {
  border-bottom-color: rgba(96, 178, 255, 0.35);
  color: #e0f2fe;
}

.mp-chat-msg__bubble .mp-chat-md__blockquote {
  border-left-color: rgba(96, 178, 255, 0.55);
  color: rgba(224, 242, 254, 0.92);
}

.mp-chat-msg__bubble .mp-chat-md__table th {
  color: #e0f2fe;
  background: rgba(30, 58, 95, 0.55);
}

.mp-chat-msg__bubble .mp-chat-md__table td {
  color: rgba(241, 245, 249, 0.96);
  background: rgba(15, 23, 42, 0.35);
}

/* ── Mobile fullscreen unificato ────────────────────────────────────────── */
@media (max-width: 480px) {
  .mp-chat-panel:not(.is-open) {
    right: max(12px, env(safe-area-inset-right, 0px));
    width: calc(100vw - 24px);
    max-width: calc(100vw - 24px);
    height: min(76vh, 600px);
    max-height: min(76vh, 600px);
  }

  .mp-chat-panel.is-open {
    top: max(0px, env(safe-area-inset-top, 0px));
    right: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    max-width: 100%;
    height: 100%;
    max-height: 100dvh;
    border-radius: 0;
    transform: none;
  }

  .mp-chat-panel.is-open .mp-chat-panel__composer {
    padding-bottom: max(0px, env(safe-area-inset-bottom, 0px));
  }

  .mp-chat-panel__chip-bar--in-greeting .mp-chat-panel__chip-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: 6.5rem;
  }

  .mp-chat-panel__hint-session {
    display: none;
  }

  .mp-chat-panel__ticket-btn__label {
    display: none;
  }

  .mp-chat-trigger {
    right: max(12px, env(safe-area-inset-right, 0px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .mp-chat-panel,
  .mp-chat-trigger,
  .mp-chat-panel__send.is-ready {
    transition: none !important;
    transform: none !important;
  }
}