/* Outriva — AI Tutor Widget styles
 * Drop-in. Matches Outriva palette (lavender + cyan + pale-yellow on near-black).
 */

:root {
  --tw-bg:        #0a0a0a;
  --tw-bg-deep:   #000000;
  --tw-bg2:       #161616;
  --tw-bg3:       #1f1f1f;
  --tw-accent:    #c5a5ee;
  --tw-accent2:   #62dde2;
  --tw-accent3:   #fdf6c5;
  --tw-text:      #e2e8f0;
  --tw-text2:     #94a3b8;
  --tw-text3:     #5a5a5a;
  --tw-border:    rgba(197,165,238,.16);
  --tw-border2:   rgba(197,165,238,.32);
  --tw-shadow:    0 16px 48px rgba(0,0,0,.6);
}

/* ── FLOATING TRIGGER BUTTON ───────────────────────────────────── */
.outriva-tutor-fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tw-accent), var(--tw-accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  border: none;
  box-shadow: 0 10px 30px rgba(197,165,238,.45), 0 0 0 1px rgba(197,165,238,.2);
  transition: transform .18s ease, box-shadow .2s ease;
  font-family: inherit;
  padding: 0;
}
.outriva-tutor-fab:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 14px 40px rgba(197,165,238,.6); }
.outriva-tutor-fab:active { transform: translateY(0) scale(0.98); }
.outriva-tutor-fab svg { width: 28px; height: 28px; fill: #0a0a0a; }
.outriva-tutor-fab.pulse::after {
  content: ''; position: absolute; inset: -6px;
  border-radius: 50%; border: 2px solid var(--tw-accent2);
  animation: tw-pulse 1.6s ease-out infinite;
  pointer-events: none;
}
@keyframes tw-pulse {
  0% { transform: scale(0.9); opacity: .8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ── CHAT PANEL ─────────────────────────────────────────────────── */
.outriva-tutor-panel {
  position: fixed;
  bottom: 96px; right: 22px;
  width: 380px;
  max-width: calc(100vw - 24px);
  height: min(620px, calc(100vh - 120px));
  background: var(--tw-bg2);
  border: 1px solid var(--tw-border2);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  z-index: 9998;
  box-shadow: var(--tw-shadow);
  overflow: hidden;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--tw-text);
  font-size: 14px;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: transform .25s ease, opacity .2s ease;
}
.outriva-tutor-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }

.outriva-tutor-header {
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(197,165,238,.16), rgba(98,221,226,.06), var(--tw-bg-deep));
  border-bottom: 1px solid var(--tw-border);
  display: flex; align-items: center; gap: 12px;
}
.outriva-tutor-header .avatar {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--tw-accent), var(--tw-accent2));
  display: flex; align-items: center; justify-content: center;
  color: #0a0a0a; font-weight: 900; font-size: 14px;
}
.outriva-tutor-header .title { font-weight: 800; font-size: 14px; }
.outriva-tutor-header .sub   { font-size: 10px; color: var(--tw-text2); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.outriva-tutor-header .close {
  margin-left: auto;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--tw-border);
  border-radius: 8px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  color: var(--tw-text2);
  cursor: pointer;
  font-size: 18px;
  font-family: inherit;
  padding: 0;
  line-height: 1;
}
.outriva-tutor-header .close:hover { background: rgba(197,165,238,.1); color: var(--tw-text); }

.outriva-tutor-messages {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    radial-gradient(ellipse 400px 200px at top, rgba(197,165,238,.04), transparent 60%),
    var(--tw-bg2);
}
.outriva-tutor-messages::-webkit-scrollbar { width: 6px; }
.outriva-tutor-messages::-webkit-scrollbar-thumb { background: rgba(197,165,238,.2); border-radius: 3px; }

.outriva-tutor-msg {
  max-width: 86%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}
.outriva-tutor-msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--tw-accent), var(--tw-accent2));
  color: #0a0a0a;
  font-weight: 600;
  border-bottom-right-radius: 4px;
}
.outriva-tutor-msg.bot {
  align-self: flex-start;
  background: var(--tw-bg3);
  border: 1px solid var(--tw-border);
  border-bottom-left-radius: 4px;
}
.outriva-tutor-msg.bot .ai-badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--tw-accent3);
  margin-bottom: 4px;
}

.outriva-tutor-msg.typing {
  background: var(--tw-bg3);
  border: 1px solid var(--tw-border);
  align-self: flex-start;
  padding: 12px 16px;
}
.outriva-tutor-msg.typing .dots { display: inline-flex; gap: 4px; }
.outriva-tutor-msg.typing .dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--tw-accent2);
  animation: tw-typing 1.4s ease-in-out infinite;
}
.outriva-tutor-msg.typing .dots span:nth-child(2) { animation-delay: .2s; }
.outriva-tutor-msg.typing .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes tw-typing { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.outriva-tutor-suggest {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: linear-gradient(135deg, rgba(197,165,238,.18), rgba(98,221,226,.12));
  border: 1px solid var(--tw-border2);
  border-radius: 12px;
  font-weight: 700;
  font-size: 12px;
  color: var(--tw-text);
  cursor: pointer;
  font-family: inherit;
  margin-top: -4px;
  margin-left: 12px;
}
.outriva-tutor-suggest:hover { background: linear-gradient(135deg, rgba(197,165,238,.3), rgba(98,221,226,.2)); }
.outriva-tutor-suggest::before { content: '⚡'; font-size: 14px; }

.outriva-tutor-feedback {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  margin-top: -6px;
  margin-left: 8px;
}
.outriva-tutor-feedback button {
  background: rgba(255,255,255,.04);
  border: 1px solid var(--tw-border);
  border-radius: 8px;
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 13px;
  transition: all .15s;
  font-family: inherit;
}
.outriva-tutor-feedback button:hover { background: rgba(197,165,238,.1); }
.outriva-tutor-feedback button.active { background: rgba(98,221,226,.18); border-color: rgba(98,221,226,.4); }

/* Welcome / suggested questions on first open */
.outriva-tutor-welcome {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 0;
}
.outriva-tutor-welcome .greeting {
  font-size: 14px;
  color: var(--tw-text);
  line-height: 1.5;
}
.outriva-tutor-welcome .greeting strong { color: var(--tw-accent3); }
.outriva-tutor-welcome .chips {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px;
}
.outriva-tutor-welcome .chip {
  padding: 7px 12px;
  background: var(--tw-bg-deep);
  border: 1px solid var(--tw-border);
  border-radius: 14px;
  font-size: 11.5px;
  cursor: pointer;
  color: var(--tw-text);
  font-family: inherit;
  transition: all .15s;
}
.outriva-tutor-welcome .chip:hover { border-color: var(--tw-border2); background: rgba(197,165,238,.06); }

.outriva-tutor-input-wrap {
  border-top: 1px solid var(--tw-border);
  padding: 12px;
  display: flex;
  gap: 8px;
  background: var(--tw-bg-deep);
}
.outriva-tutor-input-wrap textarea {
  flex: 1;
  background: var(--tw-bg2);
  border: 1px solid var(--tw-border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--tw-text);
  font-family: inherit;
  font-size: 14px;
  resize: none;
  min-height: 40px;
  max-height: 100px;
  line-height: 1.4;
}
.outriva-tutor-input-wrap textarea:focus {
  outline: none;
  border-color: var(--tw-accent2);
  box-shadow: 0 0 0 3px rgba(197,165,238,.16);
}
.outriva-tutor-input-wrap button.send {
  flex-shrink: 0;
  width: 44px;
  background: linear-gradient(135deg, var(--tw-accent), var(--tw-accent2));
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 18px;
  font-family: inherit;
  color: #0a0a0a;
  font-weight: 800;
}
.outriva-tutor-input-wrap button.send:hover { transform: translateY(-1px); }
.outriva-tutor-input-wrap button.send:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ── WALKTHROUGH OVERLAY ─────────────────────────────────────── */
.outriva-tutor-walk-bg {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.75);
  backdrop-filter: blur(8px);
  z-index: 10000;
  align-items: center; justify-content: center;
  padding: 24px;
  animation: tw-fade .2s ease;
}
.outriva-tutor-walk-bg.open { display: flex; }
@keyframes tw-fade { from { opacity: 0; } to { opacity: 1; } }

.outriva-tutor-walk {
  background: linear-gradient(160deg, rgba(197,165,238,.16), var(--tw-bg2));
  border: 1px solid var(--tw-border2);
  border-radius: 18px;
  padding: 28px;
  max-width: 460px;
  width: 100%;
  box-shadow: 0 30px 80px rgba(0,0,0,.7);
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--tw-text);
}
.outriva-tutor-walk .dots {
  display: flex; justify-content: center; gap: 8px; margin-bottom: 18px;
}
.outriva-tutor-walk .dots span {
  width: 24px; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,.1);
  transition: background .2s;
}
.outriva-tutor-walk .dots span.active { background: linear-gradient(90deg, var(--tw-accent), var(--tw-accent2)); }
.outriva-tutor-walk .dots span.done   { background: var(--tw-accent2); }

.outriva-tutor-walk h2 {
  font-size: 1.3rem; font-weight: 900; margin-bottom: 6px; line-height: 1.2;
}
.outriva-tutor-walk .step-label {
  font-size: 10px; color: var(--tw-accent3); letter-spacing: .12em; text-transform: uppercase;
  font-weight: 800; margin-bottom: 12px;
}
.outriva-tutor-walk .step-body { font-size: .95rem; color: var(--tw-text2); line-height: 1.55; margin-bottom: 22px; }

.outriva-tutor-walk .controls { display: flex; gap: 8px; justify-content: space-between; }
.outriva-tutor-walk .controls button {
  flex: 1;
  padding: 11px;
  border-radius: 10px;
  border: 1px solid var(--tw-border2);
  background: rgba(197,165,238,.08);
  color: var(--tw-text);
  font-weight: 700;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}
.outriva-tutor-walk .controls button.primary {
  background: linear-gradient(135deg, var(--tw-accent), var(--tw-accent2));
  border-color: transparent;
  color: #0a0a0a;
  font-weight: 800;
}
.outriva-tutor-walk .controls button:disabled { opacity: .4; cursor: not-allowed; }

/* ── MOBILE ──────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .outriva-tutor-panel {
    bottom: 0; right: 0; left: 0;
    width: 100%; max-width: 100%;
    height: 92vh;
    border-radius: 18px 18px 0 0;
  }
  .outriva-tutor-fab { bottom: 14px; right: 14px; width: 54px; height: 54px; }
  .outriva-tutor-walk { padding: 22px; }
}