/* =====================================================
   IEEE RAS SMU — RAS Companion (opt-in guided tour)
   Lovable 3D robot guide + speech bubble + spotlight
   Theme-adaptive via the global CSS variables in main.css
   ===================================================== */

/* ─────────────────────────────────────────────
   FOOTER "Restart guided tour" button (on every page)
   ───────────────────────────────────────────── */
.footer-tour-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.4rem;
  padding: 0.6rem 1.1rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--fd);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  background: linear-gradient(120deg, var(--surface3), var(--surface2));
  border: 1px solid var(--border);
  box-shadow: 0 0 22px var(--glow2);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.15s, background 0.25s, color 0.25s;
}
.footer-tour-btn:hover {
  border-color: var(--p);
  color: var(--text);
  box-shadow: 0 6px 26px var(--glow);
  transform: translateY(-2px);
  background: linear-gradient(120deg, var(--surface3), var(--surface));
}
.footer-tour-btn:active { transform: translateY(0) scale(0.98); }
.footer-tour-ic {
  display: inline-flex;
  width: 28px; height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #fff;
  background: radial-gradient(circle at 35% 30%, var(--pm), var(--pdk) 95%);
  box-shadow: 0 0 14px var(--glow);
  flex: 0 0 auto;
}
.footer-tour-ic svg { width: 17px; height: 17px; display: block; }

/* ─────────────────────────────────────────────
   LAYER STACK
   spotlight backdrop  9400  (dims page, pointer-events: none)
   robot canvas        9450  (pointer-events: none)
   bubble + controls   9500  (interactive)
   ───────────────────────────────────────────── */

/* ── Robot canvas — full-screen, never blocks the page ── */
#companion-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 9450;
  pointer-events: none;
}

/* ── Spotlight: dims everything except the active section ── */
#companion-spotlight {
  position: fixed;
  z-index: 9400;
  border-radius: 18px;
  pointer-events: none;
  opacity: 0;
  /* the giant spread shadow is the dimming "scrim" with a cut-out hole */
  box-shadow: 0 0 0 9999px rgba(5, 0, 12, 0.62);
  outline: 1.5px solid var(--border);
  /* position/size are driven frame-by-frame in JS for precise tracking;
     only the fade is animated here */
  transition: opacity 0.4s ease;
}
#companion-spotlight.show { opacity: 1; }
#companion-spotlight::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 20px;
  border: 1.5px solid var(--pm);
  box-shadow: 0 0 26px var(--glow), inset 0 0 22px var(--glow2);
  opacity: 0.9;
  animation: companion-halo 2.4s ease-in-out infinite;
  pointer-events: none;
}
@keyframes companion-halo {
  0%, 100% { opacity: 0.45; }
  50%      { opacity: 0.95; }
}
[data-theme="light"] #companion-spotlight {
  box-shadow: 0 0 0 9999px rgba(40, 12, 70, 0.30);
}

/* ─────────────────────────────────────────────
   SPEECH BUBBLE
   ───────────────────────────────────────────── */
#companion-bubble {
  position: fixed;
  z-index: 9500;
  width: min(340px, calc(100vw - 40px));
  background: linear-gradient(160deg,
              rgba(30, 8, 46, 0.94) 0%,
              rgba(16, 0, 28, 0.96) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.25rem 1.35rem 1.1rem;
  box-shadow: 0 22px 60px rgba(5, 0, 12, 0.6),
              0 0 40px var(--glow2),
              inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  font-family: var(--fb);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transform-origin: bottom center;
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              top 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              left 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
#companion-bubble.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}
[data-theme="light"] #companion-bubble {
  background: linear-gradient(160deg,
              rgba(255, 255, 255, 0.96) 0%,
              rgba(244, 238, 255, 0.97) 100%);
  border-color: rgba(124, 34, 184, 0.22);
  box-shadow: 0 22px 60px rgba(80, 30, 130, 0.18),
              0 0 40px rgba(124, 34, 184, 0.10);
}

/* little pointer that aims at the robot */
#companion-bubble::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  background: inherit;
  border: inherit;
  border-radius: 3px;
  transform: rotate(45deg);
  z-index: -1;
}
#companion-bubble[data-arrow="bottom"]::before {
  bottom: -8px; left: calc(50% - 8px);
  border-top: none; border-left: none;
}
#companion-bubble[data-arrow="top"]::before {
  top: -8px; left: calc(50% - 8px);
  border-bottom: none; border-right: none;
}
#companion-bubble[data-arrow="left"]::before {
  left: -8px; top: calc(50% - 8px);
  border-top: none; border-right: none;
}
#companion-bubble[data-arrow="right"]::before {
  right: -8px; top: calc(50% - 8px);
  border-bottom: none; border-left: none;
}

/* header row: name + step counter */
.companion-bubble-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.7rem;
  padding-right: 58px;   /* clear the pause/skip icons in the top-right */
}
.companion-avatar {
  width: 24px; height: 24px;
  border-radius: 50%;
  /* glossy all-purple orb — no white highlight */
  background: radial-gradient(circle at 35% 30%, var(--pm) 0%, var(--pd) 55%, var(--pdk) 100%);
  box-shadow: 0 0 14px var(--glow), inset 0 -3px 6px rgba(30, 0, 50, 0.45);
  flex: 0 0 auto;
  position: relative;
}
.companion-name {
  font-family: var(--fd);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pl);
}
[data-theme="light"] .companion-name { color: var(--p); }
.companion-step-count {
  font-family: var(--fd);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--subtle);
  white-space: nowrap;
}

.companion-title {
  font-family: var(--fd);
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.4rem;
  line-height: 1.25;
}
.companion-text {
  font-size: 0.86rem;
  line-height: 1.62;
  color: var(--muted);
  min-height: 2.6em;
}
.companion-text .caret {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--pm);
  margin-left: 1px;
  vertical-align: -2px;
  animation: companion-caret 0.8s step-end infinite;
}
@keyframes companion-caret { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* progress row: dots on the left, step counter on the right
   (counter moved here so it no longer collides with the pause/skip icons) */
.companion-progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0.95rem 0 0.85rem;
}
.companion-progress {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  flex: 1;
}
.companion-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--border);
  transition: all 0.3s ease;
}
.companion-dot.active {
  background: var(--pm);
  box-shadow: 0 0 10px var(--glow);
  transform: scale(1.15);
}
.companion-dot.done { background: var(--p); }

/* controls */
.companion-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.companion-btn {
  font-family: var(--fd);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 9px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: border-color 0.25s, color 0.25s, background 0.25s, box-shadow 0.25s, transform 0.12s;
}
.companion-btn:hover {
  border-color: var(--p);
  color: var(--text);
  background: var(--surface2);
}
.companion-btn:active { transform: scale(0.95); }
.companion-btn:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  border-color: var(--border2);
}
.companion-btn-primary {
  margin-left: auto;
  background: linear-gradient(120deg, var(--pdk), var(--pd));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 20px var(--glow2);
}
.companion-btn-primary:hover {
  color: #fff;
  background: linear-gradient(120deg, var(--pd), var(--pm));
  box-shadow: 0 8px 26px var(--glow);
}
[data-theme="light"] .companion-btn-primary { color: #fff; }

/* tiny icon-only buttons (pause / skip) on the top-right of the bubble */
.companion-mini {
  position: absolute;
  top: 0.9rem; right: 0.9rem;
  display: flex;
  gap: 0.35rem;
}
.companion-icon-btn {
  width: 26px; height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  border: 1px solid var(--border2);
  background: transparent;
  color: var(--subtle);
  cursor: pointer;
  font-size: 0.7rem;
  line-height: 1;
  transition: all 0.25s;
}
.companion-icon-btn:hover {
  border-color: var(--p);
  color: var(--p);
  background: var(--surface2);
}

/* ─────────────────────────────────────────────
   PAUSED PILL — minimal "resume" chip
   ───────────────────────────────────────────── */
#companion-resume {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9500;
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.1rem 0.7rem 0.8rem;
  border-radius: 999px;
  background: linear-gradient(160deg, rgba(30, 8, 46, 0.95), rgba(16, 0, 28, 0.96));
  border: 1px solid var(--border);
  box-shadow: 0 14px 40px rgba(5, 0, 12, 0.5), 0 0 26px var(--glow2);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
  pointer-events: auto;
  font-family: var(--fd);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  transition: transform 0.2s, box-shadow 0.25s;
}
#companion-resume.show { display: flex; animation: companion-pop 0.4s cubic-bezier(0.22, 1, 0.36, 1); }
#companion-resume:hover { transform: translateY(-2px); box-shadow: 0 18px 50px rgba(5, 0, 12, 0.6), 0 0 36px var(--glow); }
#companion-resume .companion-avatar { width: 28px; height: 28px; }
[data-theme="light"] #companion-resume {
  background: linear-gradient(160deg, rgba(255,255,255,0.96), rgba(244,238,255,0.97));
  border-color: rgba(124, 34, 184, 0.22);
}
@keyframes companion-pop {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─────────────────────────────────────────────
   REDUCED MOTION
   ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  #companion-spotlight,
  #companion-bubble { transition: opacity 0.3s ease; }
  #companion-spotlight::after { animation: none; }
}

/* ─────────────────────────────────────────────
   MOBILE
   ───────────────────────────────────────────── */
@media (max-width: 640px) {
  #companion-bubble {
    left: 50% !important;
    transform: translateX(-50%) translateY(10px) scale(0.96);
    bottom: 18px;
    top: auto !important;
  }
  #companion-bubble.show {
    transform: translateX(-50%) translateY(0) scale(1);
  }
  #companion-bubble::before { display: none; }
}

/* =====================================================
   INTRO CHOICE SCREEN — two CTAs (guided / direct)
   Styled to match css/intro.css launch button
   ===================================================== */
#intro-choice {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.95rem;
  width: 100%;
  max-width: 440px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
#intro-choice .intro-cta {
  pointer-events: all;
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  font-family: 'Syne', sans-serif;
  overflow: hidden;
  transition: border-color 0.4s, box-shadow 0.4s, color 0.3s, transform 0.2s, background 0.4s;
}
#intro-choice .intro-cta:active { transform: scale(0.98); }

/* shared shimmer sweep */
#intro-choice .intro-cta::before {
  content: '';
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(217,126,255,0.14), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}
#intro-choice .intro-cta:hover::before { left: 140%; }

.intro-cta-icon {
  flex: 0 0 auto;
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}
.intro-cta-icon svg { width: 24px; height: 24px; display: block; }
.intro-cta-body { display: flex; flex-direction: column; gap: 0.18rem; }
.intro-cta-label {
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  line-height: 1.2;
}
.intro-cta-sub {
  font-family: 'Outfit', sans-serif;
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(217,126,255,0.55);
}
.intro-cta-arrow {
  margin-left: auto;
  font-size: 1.1rem;
  color: rgba(217,126,255,0.7);
  transition: transform 0.3s ease;
}
#intro-choice .intro-cta:hover .intro-cta-arrow { transform: translateX(4px); }

/* PRIMARY — guided tour */
#intro-guide {
  background: linear-gradient(120deg, rgba(95,1,128,0.28), rgba(153,51,255,0.14));
  border: 1px solid rgba(217,126,255,0.55);
  box-shadow: 0 0 30px rgba(95,1,128,0.35), inset 0 0 30px rgba(95,1,128,0.10);
}
#intro-guide .intro-cta-icon {
  background: radial-gradient(circle at 35% 30%, #FF6EFF, #5F0180 95%);
  box-shadow: 0 0 18px rgba(217,126,255,0.7);
  color: #fff;
}
#intro-guide:hover {
  border-color: rgba(217,126,255,0.95);
  box-shadow: 0 0 70px rgba(153,51,255,0.5), 0 0 130px rgba(95,1,128,0.3), inset 0 0 40px rgba(95,1,128,0.2);
}
#intro-guide .intro-cta-ring {
  position: absolute;
  inset: -1px;
  border-radius: 4px;
  border: 1px solid rgba(217,126,255,0.4);
  animation: ring-pulse 2.5s ease-out infinite 3.5s;
  pointer-events: none;
}

/* SECONDARY — direct entry */
#intro-launch.intro-cta-secondary {
  background: transparent;
  border: 1px solid rgba(217,126,255,0.22);
  box-shadow: none;
}
#intro-launch.intro-cta-secondary .intro-cta-icon {
  background: rgba(217,126,255,0.08);
  border: 1px solid rgba(217,126,255,0.2);
  color: rgba(217,126,255,0.8);
  font-size: 1.1rem;
}
#intro-launch.intro-cta-secondary .intro-cta-label { color: rgba(255,255,255,0.82); }
#intro-launch.intro-cta-secondary:hover {
  border-color: rgba(217,126,255,0.55);
  box-shadow: 0 0 30px rgba(95,1,128,0.25);
}
#intro-launch.intro-cta-secondary:hover .intro-cta-label { color: #fff; }

@media (max-width: 640px) {
  #intro-choice { max-width: 90vw; }
  #intro-choice .intro-cta { padding: 0.9rem 1.1rem; gap: 0.8rem; }
  .intro-cta-icon { width: 38px; height: 38px; }
  .intro-cta-label { font-size: 0.78rem; }
}