@import url("/core/profesor-tokens.css");

.ps-fab {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 2147481000;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid var(--ps-accent);
  background: var(--ps-bg-panel);
  box-shadow: var(--ps-shadow);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.ps-fab:hover { transform: translateY(-2px) scale(1.04); border-color: var(--ps-brand); }
.ps-fab:active { transform: scale(.96); }
.ps-fab:focus-visible {
  outline: 2px solid var(--ps-accent);
  outline-offset: 3px;
}
.ps-fab img, .ps-fab svg { width: 40px; height: 40px; display: block; }
.ps-fab[data-state="thinking"] { border-color: var(--ps-brand); }
.ps-fab[data-state="celebrating"] { border-color: var(--ps-ok); }
.ps-fab[data-state="warning"] { border-color: var(--ps-warn); }

.ps-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 2147481100;
  width: min(420px, 100vw);
  height: 100dvh;
  margin: 0;
  border: none;
  border-left: 1px solid var(--ps-line);
  background: color-mix(in srgb, var(--ps-bg-panel) 88%, transparent);
  backdrop-filter: var(--ps-blur);
  -webkit-backdrop-filter: var(--ps-blur);
  color: var(--ps-ink);
  font-family: var(--ps-font);
  box-shadow: var(--ps-shadow);
  padding: 0;
  display: none; /* native dialog stays hidden until open/showModal */
  flex-direction: column;
  transform: translateX(108%);
  transition: transform .45s cubic-bezier(.22, 1.2, .36, 1);
}
.ps-panel[open], .ps-panel.ps-open {
  display: flex;
  transform: translateX(0);
}
.ps-panel::backdrop { background: rgba(0,0,0,.35); }

.ps-head {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: var(--ps-space-3);
  align-items: center;
  padding: var(--ps-space-4);
  border-bottom: 1px solid var(--ps-line);
}
.ps-head h2 {
  margin: 0;
  font-family: var(--ps-display);
  font-size: var(--ps-fs-lg);
  font-weight: 600;
  letter-spacing: -.02em;
}
.ps-head p { margin: 2px 0 0; color: var(--ps-muted); font-size: var(--ps-fs-sm); }
.ps-avatar-wrap {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ps-bg-elev);
  border: 1px solid var(--ps-line);
  overflow: hidden;
}
.ps-avatar-wrap svg, .ps-avatar-wrap img { width: 48px; height: 48px; }
.ps-close {
  min-width: 44px; min-height: 44px;
  border-radius: var(--ps-radius-s);
  border: 1px solid var(--ps-line);
  background: transparent;
  color: var(--ps-ink);
  cursor: pointer;
  font-size: 1.25rem;
}
.ps-close:focus-visible { outline: 2px solid var(--ps-accent); outline-offset: 2px; }

.ps-quota {
  display: flex; align-items: center; gap: var(--ps-space-3);
  padding: var(--ps-space-3) var(--ps-space-4);
  border-bottom: 1px solid var(--ps-line);
  font-size: var(--ps-fs-sm);
  color: var(--ps-muted);
}
.ps-ring {
  --pct: 0;
  width: 36px; height: 36px; border-radius: 50%;
  background: conic-gradient(var(--ps-accent) calc(var(--pct) * 1%), var(--ps-line) 0);
  display: grid; place-items: center;
}
.ps-ring > span {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--ps-bg-panel);
  display: grid; place-items: center;
  font-size: var(--ps-fs-xs); color: var(--ps-ink); font-weight: 650;
}

.ps-modes {
  display: flex; gap: var(--ps-space-2);
  padding: var(--ps-space-3) var(--ps-space-4);
}
.ps-modes button {
  flex: 1; min-height: 44px;
  border-radius: var(--ps-radius-s);
  border: 1px solid var(--ps-line);
  background: var(--ps-bg-elev);
  color: var(--ps-ink);
  cursor: pointer;
  font: 600 var(--ps-fs-sm)/1.2 var(--ps-font);
}
.ps-modes button[aria-pressed="true"] {
  background: var(--ps-accent);
  color: var(--ps-accent-ink);
  border-color: transparent;
}
.ps-modes button:focus-visible { outline: 2px solid var(--ps-brand); outline-offset: 2px; }
.ps-modes button:disabled { opacity: .45; cursor: not-allowed; }

.ps-chat {
  flex: 1;
  overflow: auto;
  padding: var(--ps-space-4);
  display: flex;
  flex-direction: column;
  gap: var(--ps-space-3);
}
.ps-msg {
  max-width: 92%;
  padding: var(--ps-space-3) var(--ps-space-4);
  border-radius: var(--ps-radius-m);
  font-size: var(--ps-fs-sm);
  line-height: 1.45;
  animation: ps-fade .28s ease;
}
.ps-msg--bot {
  align-self: flex-start;
  background: var(--ps-bg-elev);
  border: 1px solid var(--ps-line);
}
.ps-msg--user {
  align-self: flex-end;
  background: color-mix(in srgb, var(--ps-action) 28%, var(--ps-bg-elev));
  border: 1px solid color-mix(in srgb, var(--ps-action) 40%, transparent);
}
.ps-msg--hint {
  border-left: 3px solid var(--ps-accent);
}
.ps-typing {
  display: inline-flex; gap: 4px; align-items: center; min-height: 1.2em;
}
.ps-typing i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ps-muted);
  animation: ps-dot 1s ease-in-out infinite;
}
.ps-typing i:nth-child(2) { animation-delay: .15s; }
.ps-typing i:nth-child(3) { animation-delay: .3s; }

.ps-actions {
  display: flex; flex-wrap: wrap; gap: var(--ps-space-2);
  padding: 0 var(--ps-space-4) var(--ps-space-3);
}
.ps-chip {
  min-height: 40px;
  padding: .45rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--ps-line);
  background: transparent;
  color: var(--ps-ink);
  font: 600 var(--ps-fs-sm)/1.2 var(--ps-font);
  cursor: pointer;
}
.ps-chip:hover { border-color: var(--ps-accent); color: var(--ps-accent); }
.ps-chip:focus-visible { outline: 2px solid var(--ps-accent); outline-offset: 2px; }

.ps-compose {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--ps-space-2);
  padding: var(--ps-space-3) var(--ps-space-4) calc(var(--ps-space-4) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--ps-line);
}
.ps-compose textarea {
  min-height: 44px; max-height: 120px;
  resize: vertical;
  border-radius: var(--ps-radius-s);
  border: 1px solid var(--ps-line);
  background: var(--ps-bg-elev);
  color: var(--ps-ink);
  padding: .65rem .8rem;
  font: var(--ps-fs-sm)/1.4 var(--ps-font);
}
.ps-compose button {
  min-width: 44px; min-height: 44px;
  border-radius: var(--ps-radius-s);
  border: none;
  background: var(--ps-accent);
  color: var(--ps-accent-ink);
  font-weight: 700;
  cursor: pointer;
}
.ps-compose button:focus-visible { outline: 2px solid var(--ps-brand); outline-offset: 2px; }

.ps-upsell {
  margin: var(--ps-space-3) var(--ps-space-4);
  padding: var(--ps-space-4);
  border-radius: var(--ps-radius-m);
  border: 1px solid color-mix(in srgb, var(--ps-accent) 45%, var(--ps-line));
  background: linear-gradient(160deg, color-mix(in srgb, var(--ps-accent) 12%, var(--ps-bg-elev)), var(--ps-bg-elev));
}
.ps-upsell h3 { margin: 0 0 .35rem; font-family: var(--ps-display); font-size: var(--ps-fs-md); }
.ps-upsell p { margin: 0 0 var(--ps-space-3); color: var(--ps-muted); font-size: var(--ps-fs-sm); }
.ps-upsell a {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 0 var(--ps-space-4);
  border-radius: var(--ps-radius-s);
  background: var(--ps-action); color: #fff; text-decoration: none; font-weight: 650;
  margin-right: var(--ps-space-2); margin-bottom: var(--ps-space-2);
}

.ps-skel {
  height: 64px; border-radius: var(--ps-radius-m);
  background: linear-gradient(90deg, var(--ps-bg-elev), color-mix(in srgb, var(--ps-brand) 12%, var(--ps-bg-elev)), var(--ps-bg-elev));
  background-size: 200% 100%;
  animation: ps-shimmer 1.2s linear infinite;
}

.ps-confetti {
  position: fixed; inset: 0; pointer-events: none; z-index: 2147481200; overflow: hidden;
}
.ps-confetti i {
  position: absolute; top: -8px; width: 8px; height: 8px; border-radius: 2px;
  background: var(--ps-accent);
  animation: ps-fall 1.1s ease-out forwards;
}

/* Avatar CSS states */
.ps-av[data-state="idle"] .ps-halo { animation: ps-breathe 3.2s ease-in-out infinite; }
.ps-av[data-state="thinking"] .ps-pupil { animation: ps-think .9s ease-in-out infinite; }
.ps-av[data-state="speaking"] .ps-mouth { animation: ps-speak .45s ease-in-out infinite; }
.ps-av[data-state="celebrating"] .ps-halo { stroke: #3DDC97; animation: ps-spin 1.2s ease; }
.ps-av[data-state="warning"] .ps-halo { stroke: #FFB020; }

@keyframes ps-breathe { 50% { transform: scale(1.03); opacity: .85; } }
@keyframes ps-think { 50% { transform: translateY(1px); opacity: .55; } }
@keyframes ps-speak { 50% { d: path("M48 72c6 8 18 8 24 0"); } }
@keyframes ps-spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }
@keyframes ps-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes ps-dot { 0%, 80%, 100% { transform: translateY(0); opacity: .4; } 40% { transform: translateY(-4px); opacity: 1; } }
@keyframes ps-shimmer { to { background-position: -200% 0; } }
@keyframes ps-fall { to { transform: translateY(100vh) rotate(220deg); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .ps-fab, .ps-panel, .ps-msg, .ps-typing i, .ps-skel,
  .ps-av[data-state] .ps-halo,
  .ps-av[data-state] .ps-pupil,
  .ps-av[data-state] .ps-mouth { animation: none !important; transition: none !important; }
  .ps-panel { transform: none; }
  .ps-confetti { display: none; }
}

/* Homepage / landing hero band */
#profe-sim-hero, .ps-landing {
  --ps-local-font: var(--ps-font);
  font-family: var(--ps-font);
  color: var(--ps-ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, color-mix(in srgb, var(--ps-accent) 22%, transparent), transparent 60%),
    radial-gradient(900px 400px at 90% 0%, color-mix(in srgb, var(--ps-brand) 18%, transparent), transparent 55%),
    var(--ps-bg);
}
#profe-sim-hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-top: 1px solid var(--ps-line);
  border-bottom: 1px solid var(--ps-line);
  min-height: 28rem;
}
.ps-hero-in {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}
.ps-hero-av {
  width: min(220px, 100%);
  aspect-ratio: 1;
  margin: 0;
}
.ps-hero-av svg { width: 100%; height: 100%; display: block; }
.ps-hero-copy h2 {
  margin: 0 0 .5rem;
  font-family: var(--ps-display);
  font-size: var(--ps-fs-hero);
  line-height: 1.08;
  letter-spacing: -.03em;
}
.ps-hero-copy p {
  margin: 0 0 1.25rem;
  color: var(--ps-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 36rem;
}
.ps-cta-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.ps-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 1.2rem;
  border-radius: var(--ps-radius-s);
  font: 650 0.95rem/1.2 var(--ps-font);
  text-decoration: none; border: none; cursor: pointer;
}
.ps-btn--primary { background: var(--ps-accent); color: var(--ps-accent-ink); }
.ps-btn--ghost {
  background: transparent; color: var(--ps-ink);
  border: 1px solid var(--ps-line);
}
.ps-btn:focus-visible { outline: 2px solid var(--ps-brand); outline-offset: 3px; }

.ps-demo {
  margin-top: 1.5rem;
  border: 1px solid var(--ps-line);
  border-radius: var(--ps-radius-m);
  background: color-mix(in srgb, var(--ps-bg-panel) 80%, transparent);
  padding: 1rem;
  max-width: 36rem;
}
.ps-demo[hidden] { display: none !important; }
.ps-demo-log { display: flex; flex-direction: column; gap: .65rem; min-height: 8rem; }
.ps-demo .ps-msg { max-width: 100%; }

@media (max-width: 720px) {
  .ps-hero-in { grid-template-columns: 1fr; text-align: left; }
  .ps-hero-av { width: 140px; }
}

.ps-landing { min-height: 100vh; }
.ps-landing-hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 2rem;
}
.ps-grid-3 {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.ps-card {
  padding: 1.25rem;
  border-radius: var(--ps-radius-m);
  border: 1px solid var(--ps-line);
  background: var(--ps-bg-elev);
}
.ps-card h3 { margin: 0 0 .4rem; font-family: var(--ps-display); font-size: 1.05rem; }
.ps-card p { margin: 0; color: var(--ps-muted); font-size: .92rem; line-height: 1.45; }
.ps-steps {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  display: grid;
  gap: .85rem;
}
.ps-steps li {
  list-style: none;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--ps-accent);
  background: var(--ps-bg-elev);
  border-radius: 0 var(--ps-radius-s) var(--ps-radius-s) 0;
}
.ps-trust {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  display: flex; flex-wrap: wrap; gap: .6rem;
}
.ps-seal {
  padding: .55rem .9rem;
  border-radius: 999px;
  border: 1px solid var(--ps-line);
  font-size: .85rem;
  color: var(--ps-muted);
}
.ps-mock {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 3rem;
  padding: 1.25rem;
  border: 1px dashed color-mix(in srgb, var(--ps-accent) 50%, var(--ps-line));
  border-radius: var(--ps-radius-m);
  background: var(--ps-bg-panel);
}
.ps-mock-badge {
  display: inline-block;
  margin-bottom: .75rem;
  padding: .25rem .6rem;
  border-radius: 6px;
  background: var(--ps-warn);
  color: #1A1404;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
@media (max-width: 860px) {
  .ps-grid-3 { grid-template-columns: 1fr; }
}