:root {
  --smg-ink: #0b1220;
  --smg-muted: #697386;
  --smg-line: #e8edf3;
  --smg-blue: #0d6efd;
  --smg-blue2: #2f82ff;
  --smg-soft: #f6f9fc;
}

.seocean-guide,
.seocean-guide * { box-sizing: border-box; }

.seocean-guide {
  position: fixed;
  z-index: 999999;
  bottom: 24px;
  font-family: "Poppins", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 300;
}
.seocean-guide--right { right: 24px; }
.seocean-guide--left { left: 24px; }

.seocean-guide-fab {
  border: 1px solid rgba(13,110,253,.10);
  background: #fff;
  color: var(--smg-ink);
  min-height: 58px;
  padding: 8px 16px 8px 9px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  letter-spacing: -.015em;
  box-shadow: 0 14px 40px rgba(17, 35, 64, .17), 0 2px 8px rgba(17,35,64,.08);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.seocean-guide-fab:hover { transform: translateY(-2px); box-shadow: 0 18px 46px rgba(17,35,64,.21); }
.seocean-guide-fab__orb {
  width: 42px; height: 42px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: linear-gradient(135deg, var(--smg-blue), #4ea0ff);
  color: #fff; position: relative; overflow: hidden; flex: 0 0 42px;
}
.seocean-guide-fab__wave {
  position: absolute; inset: -8px;
  background: radial-gradient(circle at 70% 30%, rgba(255,255,255,.35), transparent 32%);
  animation: smgFloat 2.6s ease-in-out infinite;
}
.seocean-guide-fab__spark { color: var(--smg-blue); font-size: 14px; animation: smgSpark 1.6s ease-in-out infinite; }

.seocean-guide-modal[hidden] { display: none !important; }
.seocean-guide-modal {
  position: fixed; inset: 0; z-index: 1000000;
  display: flex; align-items: flex-end; justify-content: flex-end;
  padding: 22px;
  background: rgba(7, 13, 24, .28);
  backdrop-filter: blur(8px);
  animation: smgFade .18s ease-out;
}
.seocean-guide--left .seocean-guide-modal { justify-content: flex-start; }

.seocean-guide-panel {
  width: min(440px, calc(100vw - 32px));
  max-height: min(760px, calc(100vh - 44px));
  background: #fff;
  border: 1px solid rgba(222,229,239,.95);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(14,27,49,.24);
  overflow: hidden;
  display: flex; flex-direction: column;
  animation: smgUp .26s cubic-bezier(.2,.8,.2,1);
}

.seocean-guide-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 18px 18px 14px;
  border-bottom: 1px solid var(--smg-line);
}
.seocean-guide-brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.seocean-guide-avatar {
  width: 42px; height: 42px; border-radius: 13px; color: #fff;
  display: grid; place-items: center;
  background: linear-gradient(145deg, #0871ff, #57a2ff);
  box-shadow: 0 8px 22px rgba(13,110,253,.22);
}
.seocean-guide-ai-icon { display: block; color: #fff; }
.seocean-guide-brand strong { display: block; color: var(--smg-ink); font-size: 15px; line-height: 1.25; font-weight: 500; }
.seocean-guide-brand span { margin-top: 4px; color: var(--smg-muted); font-size: 11px; display: flex; align-items: center; gap: 5px; }
.seocean-guide-brand span i { width: 7px; height: 7px; border-radius: 50%; background: #23b26d; box-shadow: 0 0 0 3px rgba(35,178,109,.12); }
.seocean-guide-close {
  border: 0; background: #f3f6f9; width: 36px; height: 36px; border-radius: 12px;
  font-size: 24px; line-height: 1; color: #526071; cursor: pointer;
}
.seocean-guide-close:hover { background: #eaf0f6; color: #162033; }

.seocean-guide-progress { height: 3px; background: #eef3f8; }
.seocean-guide-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--smg-blue), #64adff); transition: width .35s ease; }

.seocean-guide-body { padding: 18px; overflow: auto; overscroll-behavior: contain; }
.seocean-guide-intro {
  background: linear-gradient(135deg, #f4f8ff, #f8fbff);
  border: 1px solid #e6effd; border-radius: 16px; padding: 15px; margin-bottom: 14px;
}
.seocean-guide-intro span { font-size: 12px; font-weight: 500; color: var(--smg-blue); }
.seocean-guide-intro h3 { margin: 5px 0 6px; font-size: 19px; letter-spacing: -.025em; color: var(--smg-ink); font-weight: 500; }
.seocean-guide-intro p { margin: 0; font-size: 13px; line-height: 1.72; color: #627084; font-weight: 300; }

.seocean-guide-chat { display: flex; flex-direction: column; gap: 10px; }
.seocean-guide-message {
  position: relative;
  background: #fff; border: 1px solid var(--smg-line); border-radius: 15px;
  padding: 13px 14px 13px 44px; box-shadow: 0 5px 18px rgba(20,36,61,.045);
  opacity: 0; transform: translateY(6px); animation: smgMsg .24s ease forwards;
}
.seocean-guide-message::before {
  content: '✦'; position: absolute; left: 13px; top: 14px;
  width: 22px; height: 22px; border-radius: 8px; display: grid; place-items: center;
  background: #eef5ff; color: var(--smg-blue); font-size: 10px; font-weight: 900;
}
.seocean-guide-message strong { display: block; color: #152033; font-size: 13px; margin-bottom: 5px; font-weight: 500; }
.seocean-guide-message p { margin: 0; color: #647184; font-size: 12.5px; line-height: 1.72; font-weight: 300; }


.seocean-guide-message__meta {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 34px; height: 20px; margin-bottom: 7px; padding: 0 7px;
  border-radius: 999px; background: #f3f6fa; color: #8490a1;
  font-size: 9.5px; line-height: 1; font-weight: 400; letter-spacing: .01em;
}
.seocean-guide-message.is-speaking {
  border-color: #cfe0ff;
  background: linear-gradient(135deg, #fbfdff, #f5f9ff);
  box-shadow: 0 8px 24px rgba(13,110,253,.08);
}
.seocean-guide-message.is-speaking::before {
  background: #0d6efd; color: #fff;
  animation: smgVoicePulse 1.5s ease-in-out infinite;
}
.seocean-guide-message.is-speaking .seocean-guide-message__meta {
  background: #eaf3ff; color: #0d6efd;
}
.seocean-guide-message.is-complete { opacity: .82; }

.seocean-guide-typing { display: flex; align-items: center; gap: 5px; margin-top: 10px; padding: 9px 12px; color: #718096; font-size: 11px; }
.seocean-guide-typing > span { width: 6px; height: 6px; border-radius: 50%; background: var(--smg-blue); animation: smgDot 1s infinite ease-in-out; }
.seocean-guide-typing > span:nth-child(2) { animation-delay: .14s; }
.seocean-guide-typing > span:nth-child(3) { animation-delay: .28s; }
.seocean-guide-typing small { margin-left: 3px; font-size: 11px; }

.seocean-guide-footer { padding: 14px 18px 18px; border-top: 1px solid var(--smg-line); background: rgba(255,255,255,.96); }
.seocean-guide-controls { display: flex; gap: 8px; margin-bottom: 11px; }
.seocean-guide-control {
  border: 1px solid var(--smg-line); background: #fff; color: #5d6b7c; border-radius: 11px;
  min-height: 36px; padding: 0 10px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 400; cursor: pointer;
}
.seocean-guide-voice {
  width: 38px; min-width: 38px; padding: 0; justify-content: center;
}
.seocean-guide-voice .seocean-guide-control__icon {
  display: grid; place-items: center; width: 18px; height: 18px; line-height: 0;
}
.seocean-guide-voice svg { display: block; }
.seocean-guide-control:hover { border-color: #cfd9e6; background: #f9fbfd; }
.seocean-guide-control.is-active { color: var(--smg-blue); border-color: #cfe0ff; background: #f3f8ff; }
.seocean-guide-actions { display: grid; grid-template-columns: .9fr 1.25fr; gap: 9px; }
.seocean-guide-btn {
  min-height: 43px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  text-decoration: none !important; font-size: 12px; font-weight: 500; transition: .2s ease;
}
.seocean-guide-btn--ghost { color: #2e3b4e !important; background: #fff; border: 1px solid var(--smg-line); }
.seocean-guide-btn--ghost:hover { background: #f7f9fc; }
.seocean-guide-btn--primary { color: #fff !important; background: linear-gradient(135deg, var(--smg-blue), var(--smg-blue2)); box-shadow: 0 8px 20px rgba(13,110,253,.20); }
.seocean-guide-btn--primary:hover { transform: translateY(-1px); }
.seocean-guide-btn--primary span { margin-left: 7px; }

body.seocean-guide-open { overflow: hidden; }

@keyframes smgFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes smgUp { from { transform: translateY(16px) scale(.985); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes smgMsg { to { opacity: 1; transform: translateY(0); } }
@keyframes smgDot { 0%, 70%, 100% { transform: translateY(0); opacity:.45; } 35% { transform: translateY(-3px); opacity:1; } }
@keyframes smgFloat { 0%,100% { transform: translate3d(-2px,2px,0); } 50% { transform: translate3d(4px,-3px,0); } }
@keyframes smgSpark { 0%,100% { transform: scale(.85) rotate(0); opacity:.5; } 50% { transform: scale(1.15) rotate(12deg); opacity:1; } }
@keyframes smgVoicePulse { 0%,100% { box-shadow: 0 0 0 0 rgba(13,110,253,.18); } 50% { box-shadow: 0 0 0 5px rgba(13,110,253,0); } }

@media (max-width: 640px) {
  .seocean-guide { bottom: 14px; }
  .seocean-guide--right { right: 12px; }
  .seocean-guide--left { left: 12px; }
  .seocean-guide-fab { min-height: 52px; padding-right: 13px; font-size: 11px; }
  .seocean-guide-fab__orb { width: 38px; height: 38px; flex-basis: 38px; }
  .seocean-guide-modal { padding: 0; align-items: flex-end; }
  .seocean-guide-panel {
    width: 100%; max-height: 88vh; border-radius: 22px 22px 0 0; border-left: 0; border-right: 0; border-bottom: 0;
  }
  .seocean-guide-header { padding: 15px 15px 12px; }
  .seocean-guide-body { padding: 15px; }
  .seocean-guide-footer { padding: 12px 15px calc(14px + env(safe-area-inset-bottom)); }
  .seocean-guide-actions { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 380px) {
  .seocean-guide-fab__spark { display: none; }
  .seocean-guide-fab__text { max-width: 150px; }
  .seocean-guide-controls { overflow-x: auto; scrollbar-width: none; }
  .seocean-guide-control { flex: 0 0 auto; }
}