/* Shared floating AI teacher widget for the Sorizava practice platform. */
:root {
  --sorizava-ai-ink: #172033;
  --sorizava-ai-muted: #667085;
  --sorizava-ai-line: #e8ebf1;
  --sorizava-ai-surface: #ffffff;
  --sorizava-ai-soft: #f6f8fc;
  --sorizava-ai-primary: #5b4ce8;
  --sorizava-ai-primary-dark: #4537c7;
  --sorizava-ai-shadow: 0 22px 50px rgba(25, 35, 61, .20), 0 3px 12px rgba(25, 35, 61, .08);
}

.sorizava-ai-widget {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 2147483000;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--sorizava-ai-ink);
}

.sorizava-ai-fab {
  position: relative;
  width: 62px;
  height: 62px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(145deg, #6b5af1, #4e40d6);
  color: #fff;
  box-shadow: 0 14px 28px rgba(79, 64, 214, .34);
  display: grid;
  place-items: center;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.sorizava-ai-fab:hover,
.sorizava-ai-fab:focus-visible {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 18px 34px rgba(79, 64, 214, .42);
  outline: none;
}

.sorizava-ai-fab:focus-visible {
  outline: 3px solid rgba(91, 76, 232, .26);
  outline-offset: 3px;
}

.sorizava-ai-fab-icon {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  font-size: 1.1875rem;
  line-height: 1;
  font-weight: 900;
  letter-spacing: -.04em;
  border: 1px solid rgba(255, 255, 255, .31);
  border-radius: 11px;
  background: rgba(255, 255, 255, .12);
}

.sorizava-ai-fab-label {
  position: absolute;
  right: 72px;
  min-width: max-content;
  padding: 9px 12px;
  border: 1px solid rgba(223, 228, 240, .95);
  border-radius: 11px;
  background: rgba(255, 255, 255, .98);
  color: #293146;
  font-size: 0.8125rem;
  font-weight: 750;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(26, 37, 63, .14);
  pointer-events: none;
  opacity: 0;
  transform: translateX(5px);
  transition: opacity .18s ease, transform .18s ease;
}

.sorizava-ai-fab:hover .sorizava-ai-fab-label,
.sorizava-ai-fab:focus-visible .sorizava-ai-fab-label,
.sorizava-ai-widget[data-onboarding="true"] .sorizava-ai-fab-label {
  opacity: 1;
  transform: translateX(0);
}

.sorizava-ai-panel {
  position: absolute;
  right: 0;
  bottom: 76px;
  width: min(405px, calc(100vw - 32px));
  height: min(650px, calc(100vh - 110px));
  min-height: 420px;
  display: none;
  overflow: hidden;
  border: 1px solid #e4e8f1;
  border-radius: 20px;
  background: var(--sorizava-ai-surface);
  box-shadow: var(--sorizava-ai-shadow);
  isolation: isolate;
}

.sorizava-ai-widget[data-open="true"] .sorizava-ai-panel { display: flex; flex-direction: column; }
.sorizava-ai-widget[data-open="true"] .sorizava-ai-fab { background: linear-gradient(145deg, #4133bd, #3328a0); }

.sorizava-ai-panel-head {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 76px;
  padding: 15px 15px 13px;
  border-bottom: 1px solid var(--sorizava-ai-line);
  background: #fff;
}

.sorizava-ai-head-badge {
  flex: 0 0 auto;
  width: 37px;
  height: 37px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #f0eeff;
  color: var(--sorizava-ai-primary-dark);
  font-weight: 900;
  font-size: 0.875rem;
}

.sorizava-ai-head-text { min-width: 0; flex: 1; padding-top: 1px; }
.sorizava-ai-head-title { margin: 0; font-size: 0.9375rem; font-weight: 800; letter-spacing: -.02em; color: var(--sorizava-ai-ink); }
.sorizava-ai-head-sub { margin: 4px 0 0; font-size: 0.75rem; color: var(--sorizava-ai-muted); line-height: 1.35; }

.sorizava-ai-head-actions { display: flex; align-items: center; gap: 2px; }
.sorizava-ai-icon-btn {
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 9px;
  color: #596275;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.125rem;
  transition: background .16s ease, color .16s ease;
}
.sorizava-ai-icon-btn:hover,
.sorizava-ai-icon-btn:focus-visible { background: #f2f4f8; color: #293146; outline: none; }

.sorizava-ai-notice {
  display: none;
  margin: 10px 13px 0;
  padding: 9px 10px;
  border: 1px solid #f7d99c;
  border-radius: 10px;
  background: #fff8e8;
  color: #815d12;
  font-size: 0.75rem;
  line-height: 1.45;
}
.sorizava-ai-widget[data-locked="true"] .sorizava-ai-notice { display: block; }

.sorizava-ai-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 15px 13px 8px;
  background: linear-gradient(180deg, #fcfcfe 0%, #f8f9fc 100%);
  scrollbar-width: thin;
}

.sorizava-ai-message-row { display: flex; margin: 0 0 10px; }
.sorizava-ai-message-row.is-user { justify-content: flex-end; }
.sorizava-ai-message {
  max-width: 86%;
  padding: 10px 12px;
  border-radius: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.8125rem;
  line-height: 1.57;
}
.sorizava-ai-message.is-assistant {
  border: 1px solid #e7eaf1;
  border-top-left-radius: 5px;
  background: #fff;
  color: #273146;
}
.sorizava-ai-message.is-user {
  border-top-right-radius: 5px;
  background: var(--sorizava-ai-primary);
  color: #fff;
}
.sorizava-ai-message.is-system {
  max-width: 100%;
  padding: 8px 10px;
  border: 1px dashed #d8deeb;
  border-radius: 10px;
  background: #f7f8fc;
  color: #677084;
  font-size: 0.75rem;
}

.sorizava-ai-typing { display: inline-flex; gap: 4px; align-items: center; height: 15px; }
.sorizava-ai-typing i { width: 5px; height: 5px; border-radius: 50%; background: #8b93a4; animation: sorizava-ai-bounce 1s infinite ease-in-out; }
.sorizava-ai-typing i:nth-child(2) { animation-delay: .15s; }
.sorizava-ai-typing i:nth-child(3) { animation-delay: .30s; }
@keyframes sorizava-ai-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-3px); opacity: 1; } }

.sorizava-ai-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 13px 10px;
  background: #f8f9fc;
  border-top: 1px solid #edf0f5;
}
.sorizava-ai-quick button {
  padding: 7px 9px;
  border: 1px solid #dfe3ed;
  border-radius: 999px;
  background: #fff;
  color: #536078;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 700;
  transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.sorizava-ai-quick button:hover,
.sorizava-ai-quick button:focus-visible { border-color: #bdb6f7; background: #f6f4ff; color: #4a3ec6; outline: none; }
.sorizava-ai-widget[data-locked="true"] .sorizava-ai-quick { opacity: .5; pointer-events: none; }

.sorizava-ai-composer {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px 12px;
  border-top: 1px solid var(--sorizava-ai-line);
  background: #fff;
}
.sorizava-ai-composer textarea {
  flex: 1;
  min-width: 0;
  min-height: 39px;
  max-height: 106px;
  resize: none;
  padding: 10px 11px;
  border: 1px solid #dfe4ed;
  border-radius: 12px;
  background: #fbfcff;
  color: #1f293b;
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.4;
  outline: none;
}
.sorizava-ai-composer textarea:focus { border-color: #9b92ef; box-shadow: 0 0 0 3px rgba(91, 76, 232, .11); background: #fff; }
.sorizava-ai-composer textarea:disabled { cursor: not-allowed; color: #98a0b1; background: #f2f4f7; }
.sorizava-ai-send {
  width: 39px;
  height: 39px;
  flex: 0 0 auto;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  color: #fff;
  background: var(--sorizava-ai-primary);
  display: grid;
  place-items: center;
  font-size: 1.0625rem;
  font-weight: 900;
  transition: transform .16s ease, background .16s ease, opacity .16s ease;
}
.sorizava-ai-send:hover,
.sorizava-ai-send:focus-visible { background: var(--sorizava-ai-primary-dark); transform: translateY(-1px); outline: none; }
.sorizava-ai-send:disabled { cursor: not-allowed; opacity: .45; transform: none; }

.sorizava-ai-footnote {
  margin: 0;
  padding: 0 13px 10px;
  background: #fff;
  color: #8991a2;
  font-size: 0.6562rem;
  line-height: 1.42;
}

@media (max-width: 680px) {
  .sorizava-ai-widget { right: max(12px, env(safe-area-inset-right)); bottom: max(12px, env(safe-area-inset-bottom)); }
  .sorizava-ai-fab { width: 56px; height: 56px; }
  .sorizava-ai-fab-label { display: none; }
  .sorizava-ai-panel { bottom: 67px; width: calc(100vw - 24px); height: min(640px, calc(100vh - 88px)); min-height: 400px; border-radius: 18px; }
  .sorizava-ai-message { max-width: 90%; }
}

@media (max-height: 560px) {
  .sorizava-ai-panel { height: calc(100vh - 88px); min-height: 340px; }
  .sorizava-ai-quick { display: none; }
}