:root {
  --coli-green: #086b50;
  --coli-green-bright: #0c8a67;
  --coli-green-soft: #e8f5f0;
  --coli-ink: #18221f;
  --coli-muted: #68746f;
  --coli-border: rgba(16, 81, 63, 0.14);
  --coli-surface: rgba(255, 255, 255, 0.88);
  --coli-shadow: 0 22px 60px rgba(15, 61, 49, 0.12);
}

html { scroll-behavior: smooth; }

body {
  color: var(--coli-ink) !important;
  background:
    radial-gradient(circle at 10% 0%, rgba(38, 163, 121, 0.10), transparent 34rem),
    radial-gradient(circle at 92% 18%, rgba(226, 180, 86, 0.10), transparent 30rem),
    linear-gradient(180deg, #f8fbfa 0%, #f2f7f5 100%) !important;
}

header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-color: var(--coli-border) !important;
  background: rgba(250, 253, 252, 0.82) !important;
  backdrop-filter: blur(18px) saturate(1.2);
}

header > div { padding-block: 0.8rem !important; }
header img[alt="Logo Assistente"] { height: 3.75rem !important; transition: transform 180ms ease; }
header img[alt="Logo Assistente"]:hover { transform: scale(1.025); }

.coli-model-badge {
  position: absolute;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.48rem 0.72rem;
  border: 1px solid var(--coli-border);
  border-radius: 999px;
  background: rgba(255,255,255,0.78);
  color: var(--coli-ink);
  font-size: 0.77rem;
  font-weight: 700;
  box-shadow: 0 8px 25px rgba(15,61,49,.08);
}
.coli-model-badge small { color: var(--coli-muted); font-size: .65rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
.coli-status-dot { width: .52rem; height: .52rem; border-radius: 50%; background: #28b983; box-shadow: 0 0 0 4px rgba(40,185,131,.13); }
.coli-model-badge.is-offline .coli-status-dot { background: #d56565; box-shadow: 0 0 0 4px rgba(213,101,101,.13); }
.coli-is-streaming .coli-status-dot { animation: coli-pulse 1.25s ease-in-out infinite; }

.coli-theme-toggle {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2.45rem;
  height: 2.45rem;
  border: 1px solid var(--coli-border);
  border-radius: 50%;
  background: var(--coli-surface);
  color: var(--coli-ink);
  font-size: 1.1rem;
  box-shadow: 0 8px 22px rgba(15,61,49,.08);
  transition: transform .18s ease, background .18s ease;
}
.coli-theme-toggle:hover { transform: translateY(-50%) scale(1.06); background: var(--coli-green-soft); }

#coli-auth-access {
  position: absolute;
  right: 4.35rem;
  top: 50%;
  z-index: 4;
  transform: translateY(-50%);
}
.coli-auth-button {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 2.45rem;
  padding: .52rem .85rem;
  border: 1px solid rgba(8,107,80,.24);
  border-radius: 999px;
  background: linear-gradient(135deg,var(--coli-green),var(--coli-green-bright));
  color: white;
  font-size: .76rem;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(8,107,80,.20);
  transition: transform .18s ease, box-shadow .18s ease;
}
.coli-auth-button:hover { transform: translateY(-1px); box-shadow: 0 11px 26px rgba(8,107,80,.27); }
.coli-auth-button span:first-child { font-size: 1rem; line-height: 1; }
.coli-auth-panel {
  position: absolute;
  top: calc(100% + .85rem);
  right: 0;
  width: min(21rem, calc(100vw - 2rem));
  padding: 1rem;
  border: 1px solid var(--coli-border);
  border-radius: 1.1rem;
  background: rgba(255,255,255,.98);
  color: var(--coli-ink);
  box-shadow: 0 24px 70px rgba(15,61,49,.20);
  backdrop-filter: blur(18px);
}
.coli-auth-panel[hidden] { display: none !important; }
.coli-auth-panel::before { content: ""; position: absolute; right: 1.55rem; top: -.42rem; width: .8rem; height: .8rem; transform: rotate(45deg); border-left: 1px solid var(--coli-border); border-top: 1px solid var(--coli-border); background: inherit; }
.coli-auth-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: .85rem; }
.coli-auth-heading div { display: flex; flex-direction: column; gap: .15rem; }
.coli-auth-heading strong { font-size: .92rem; }
.coli-auth-heading small { color: var(--coli-muted); font-size: .7rem; }
.coli-auth-close { width: 1.8rem; height: 1.8rem; border-radius: 50%; color: var(--coli-muted); font-size: 1.25rem; line-height: 1; }
.coli-auth-close:hover { background: var(--coli-green-soft); color: var(--coli-green); }
.coli-auth-form { display: grid; gap: .7rem; }
.coli-auth-form label { display: grid; gap: .28rem; color: var(--coli-muted); font-size: .68rem; font-weight: 700; }
.coli-auth-form input { width: 100%; padding: .68rem .75rem; border: 1px solid var(--coli-border); border-radius: .72rem; outline: none; background: white; color: #18221f; font-size: .82rem; }
.coli-auth-form input:focus { border-color: rgba(8,107,80,.48); box-shadow: 0 0 0 3px rgba(8,107,80,.10); }
.coli-auth-submit { padding: .72rem .85rem; border-radius: .75rem; background: linear-gradient(135deg,var(--coli-green),var(--coli-green-bright)); color: white; font-size: .78rem; font-weight: 800; }
.coli-auth-submit:disabled { cursor: wait; opacity: .68; }
.coli-auth-error { margin: 0; padding: .55rem .65rem; border-radius: .65rem; background: #fff0f0; color: #a33; font-size: .7rem; }
.coli-auth-note { margin: .72rem 0 0; color: var(--coli-muted); font-size: .66rem; line-height: 1.45; }

main > section:first-of-type {
  border-color: var(--coli-border) !important;
  background: linear-gradient(110deg, rgba(255,255,255,.72), rgba(236,248,243,.72)) !important;
}
main > section:first-of-type > div { padding-block: 2.2rem !important; }
main > section:first-of-type p { max-width: 58rem; margin-inline: auto; color: var(--coli-muted) !important; }
main > section:first-of-type p span.font-semibold { color: var(--coli-ink) !important; }

main > section:nth-of-type(2) > div { padding-top: 1.75rem !important; padding-bottom: 2rem !important; }

#coli-quick-prompts {
  padding: 1rem;
  border: 1px solid var(--coli-border);
  border-radius: 1.25rem;
  background: rgba(255,255,255,.64);
  box-shadow: 0 14px 40px rgba(15,61,49,.06);
  backdrop-filter: blur(12px);
}
.coli-quick-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: .7rem; }
.coli-quick-heading span { font-size: .8rem; font-weight: 800; color: var(--coli-ink); letter-spacing: .02em; }
.coli-quick-heading small { color: var(--coli-muted); font-size: .72rem; }
.coli-quick-row { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: .6rem; }
.coli-quick-button {
  display: flex;
  align-items: center;
  gap: .6rem;
  min-height: 3rem;
  padding: .65rem .78rem;
  border: 1px solid rgba(8,107,80,.13);
  border-radius: .9rem;
  background: rgba(255,255,255,.82);
  color: var(--coli-ink);
  text-align: left;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.coli-quick-button span { display: grid; place-items: center; width: 1.75rem; height: 1.75rem; flex: 0 0 auto; border-radius: .55rem; background: var(--coli-green-soft); color: var(--coli-green); font-size: 1rem; }
.coli-quick-button strong { font-size: .76rem; line-height: 1.15; }
.coli-quick-button:hover { transform: translateY(-2px); border-color: rgba(8,107,80,.32); box-shadow: 0 10px 24px rgba(15,61,49,.09); }

main section:nth-of-type(2) .flex.items-start.gap-4 { animation: coli-message-in .28s ease both; }
main section:nth-of-type(2) .flex.h-16.w-16 { width: 3rem !important; height: 3rem !important; background: linear-gradient(145deg,var(--coli-green),var(--coli-green-bright)) !important; box-shadow: 0 10px 25px rgba(8,107,80,.20) !important; }
main section:nth-of-type(2) .flex.h-16.w-16 img { width: 2rem !important; height: 2rem !important; }
.assistant-msg { border-color: var(--coli-border) !important; background: rgba(255,255,255,.92) !important; box-shadow: 0 12px 34px rgba(15,61,49,.08) !important; }
.assistant-msg a { color: var(--coli-green); text-decoration: underline; text-underline-offset: 3px; }
.assistant-msg pre { overflow-x: auto; margin-block: .75rem; padding: .9rem; border-radius: .8rem; background: #12211c; color: #e7fff6; }
.assistant-msg code:not(pre code) { padding: .1rem .35rem; border-radius: .35rem; background: var(--coli-green-soft); color: var(--coli-green); }

.coli-streaming-bubble::after { content: ""; display: inline-block; width: .5rem; height: 1.05rem; margin-left: .22rem; vertical-align: -.14rem; border-radius: .12rem; background: var(--coli-green); animation: coli-caret .8s steps(1,end) infinite; }

.coli-message-actions { display: flex; align-items: center; gap: .25rem; padding-left: .35rem; opacity: .12; transform: translateY(-4px); transition: opacity .18s ease, transform .18s ease; }
.assistant-msg:hover + .coli-message-actions, .coli-message-actions:hover { opacity: 1; transform: translateY(0); }
.coli-message-actions button { display: inline-flex; align-items: center; gap: .28rem; padding: .3rem .48rem; border-radius: .55rem; color: var(--coli-muted); font-size: .68rem; transition: background .18s ease, color .18s ease; }
.coli-message-actions button:hover, .coli-message-actions button.is-selected { background: var(--coli-green-soft); color: var(--coli-green); }

footer { position: sticky; bottom: 0; z-index: 20; padding: 1rem 0 1.4rem !important; background: linear-gradient(180deg, transparent, rgba(242,247,245,.94) 28%, rgba(242,247,245,.98)); pointer-events: none; }
footer > div { pointer-events: auto; }
.coli-composer { position: relative; border-color: var(--coli-border) !important; background: rgba(255,255,255,.91) !important; box-shadow: var(--coli-shadow) !important; backdrop-filter: blur(18px); transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.coli-composer.is-focused { border-color: rgba(8,107,80,.38) !important; box-shadow: 0 26px 70px rgba(15,61,49,.16) !important; transform: translateY(-2px); }
.coli-composer.is-dragging { border: 2px dashed var(--coli-green) !important; background: rgba(232,245,240,.96) !important; }
.coli-composer.is-dragging::before { content: "Rilascia qui i file"; position: absolute; inset: 0; z-index: 4; display: grid; place-items: center; border-radius: 1.6rem; background: rgba(232,245,240,.94); color: var(--coli-green); font-weight: 800; }
.coli-composer textarea { min-height: 3rem; transition: height .12s ease; }
.coli-composer button:last-child { display: inline-flex; align-items: center; gap: .45rem; background: linear-gradient(135deg,var(--coli-green),var(--coli-green-bright)) !important; box-shadow: 0 9px 22px rgba(8,107,80,.24) !important; }
.coli-stop-button { display: inline-flex; align-items: center; gap: .4rem; margin-left: auto; margin-right: .5rem; padding: .58rem .9rem; border: 1px solid rgba(160,50,50,.2); border-radius: .85rem; color: #a33; background: #fff5f5; font-size: .76rem; font-weight: 700; }
.coli-stop-button[hidden] { display: none !important; }
.coli-composer-hint { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .65rem .55rem 0; color: var(--coli-muted); font-size: .66rem; }
.coli-composer-hint kbd { padding: .1rem .28rem; border: 1px solid var(--coli-border); border-radius: .3rem; background: rgba(255,255,255,.8); box-shadow: 0 1px 0 rgba(0,0,0,.06); }
#coli-live-status { display: inline-flex; align-items: center; gap: .4rem; color: var(--coli-green); font-weight: 700; }
#coli-live-status::before { content: ""; width: .38rem; height: .38rem; border-radius: 50%; background: currentColor; opacity: .65; }
.coli-is-streaming #coli-live-status::before { animation: coli-pulse 1s ease infinite; }

#coli-toast-region { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 100; display: flex; flex-direction: column; align-items: flex-end; gap: .5rem; pointer-events: none; }
.coli-toast { transform: translateY(10px); opacity: 0; max-width: 22rem; padding: .72rem .9rem; border: 1px solid var(--coli-border); border-radius: .85rem; background: rgba(24,34,31,.94); color: white; box-shadow: 0 14px 40px rgba(0,0,0,.18); font-size: .76rem; transition: opacity .2s ease, transform .2s ease; }
.coli-toast.is-visible { transform: translateY(0); opacity: 1; }
.coli-toast-error { background: rgba(140,42,42,.96); }

.coli-dark {
  --coli-ink: #eef8f4;
  --coli-muted: #9eb1aa;
  --coli-border: rgba(155, 213, 191, 0.15);
  --coli-surface: rgba(21, 31, 28, 0.9);
  --coli-green-soft: rgba(30, 120, 91, .22);
}
.coli-dark body { background: radial-gradient(circle at 12% 0%,rgba(10,107,78,.22),transparent 34rem),linear-gradient(180deg,#101714,#16201c) !important; }
.coli-dark #app > .bg-white { background: transparent !important; color: var(--coli-ink); }
.coli-dark main, .coli-dark main > section:nth-of-type(2) { background: transparent !important; }
.coli-dark header { background: rgba(16,23,20,.84) !important; }
.coli-dark header img[alt="Logo Assistente"] { border-radius: 999px; }
.coli-dark header, .coli-dark main > section:first-of-type { border-color: var(--coli-border) !important; }
.coli-dark main > section:first-of-type { background: linear-gradient(110deg,rgba(19,30,26,.82),rgba(15,48,38,.62)) !important; }
.coli-dark #coli-quick-prompts, .coli-dark .coli-quick-button, .coli-dark .coli-model-badge, .coli-dark .assistant-msg, .coli-dark .coli-composer { background: rgba(22,32,28,.90) !important; color: var(--coli-ink) !important; }
.coli-dark .assistant-msg, .coli-dark .assistant-msg p, .coli-dark textarea { color: #deebe6 !important; }
.coli-dark .coli-composer textarea { background: rgba(255,255,255,.045) !important; border-color: var(--coli-border) !important; }
.coli-dark .coli-composer textarea::placeholder { color: #8fa29b !important; }
.coli-dark footer { background: linear-gradient(180deg,transparent,rgba(16,23,20,.94) 28%,rgba(16,23,20,.98)); }
.coli-dark .coli-composer > div:has(> textarea) { background: rgba(255,255,255,.05) !important; border-color: var(--coli-border) !important; }
.coli-dark .coli-theme-toggle, .coli-dark .coli-composer-hint kbd { background: rgba(255,255,255,.07); color: var(--coli-ink); }
.coli-dark .coli-auth-panel { background: rgba(20,30,26,.98); color: var(--coli-ink); }
.coli-dark .coli-auth-form input { border-color: var(--coli-border); background: rgba(255,255,255,.07); color: var(--coli-ink); }

@keyframes coli-pulse { 0%,100% { opacity: .5; transform: scale(.9); } 50% { opacity: 1; transform: scale(1.16); } }
@keyframes coli-caret { 0%,45% { opacity: 1; } 46%,100% { opacity: 0; } }
@keyframes coli-message-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

@media (max-width: 900px) {
  .coli-quick-row { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .coli-model-badge small { display: none; }
}

@media (max-width: 640px) {
  header > div { justify-content: flex-start !important; padding-inline: 1rem !important; }
  header img[alt="Logo Assistente"] { height: 3rem !important; margin-left: 3.1rem; }
  .coli-model-badge { left: .75rem; width: 2.25rem; height: 2.25rem; justify-content: center; padding: 0; }
  .coli-model-badge span:not(.coli-status-dot), .coli-model-badge small { display: none; }
  .coli-theme-toggle { right: .75rem; }
  #coli-auth-access { right: 3.65rem; }
  .coli-auth-button { width: 2.45rem; padding: 0; justify-content: center; }
  .coli-auth-button span:last-child { display: none; }
  .coli-auth-panel { position: fixed; top: 4.6rem; right: .75rem; left: .75rem; width: auto; }
  main > section:first-of-type > div { padding: 1.45rem 1rem !important; }
  main > section:first-of-type p { font-size: 1rem !important; }
  main > section:nth-of-type(2) > div { padding-inline: .85rem !important; }
  .coli-quick-heading small { display: none; }
  .coli-quick-row { display: flex; overflow-x: auto; padding-bottom: .25rem; scroll-snap-type: x mandatory; }
  .coli-quick-button { min-width: 10rem; scroll-snap-align: start; }
  main section:nth-of-type(2) .flex.items-start.gap-4 { gap: .65rem !important; }
  main section:nth-of-type(2) .flex.h-16.w-16 { width: 2.35rem !important; height: 2.35rem !important; }
  main section:nth-of-type(2) .flex.h-16.w-16 img { width: 1.55rem !important; height: 1.55rem !important; }
  footer { padding: .5rem 0 .75rem !important; }
  footer > div { padding-inline: .6rem !important; }
  .coli-composer { padding: .75rem !important; border-radius: 1.2rem !important; }
  .coli-composer-hint span:first-child { display: none; }
  .coli-composer-hint { justify-content: flex-end; }
  .coli-stop-button span:last-child { display: none; }
  #coli-toast-region { left: .75rem; right: .75rem; bottom: .75rem; align-items: stretch; }
  .coli-toast { max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}