/* ==========================================================================
   Asterium AI — homepage demo layer (demo/ai-home)
   Flagship promo + live AI market summary + GT Protocol AI banner + chat.
   Native palette: black #070708, brand lime #d9fe43, ABC Favorit / Inter Display.
   ========================================================================== */

:root {
  --ai-black: #070708;
  --ai-card: #0b0c0e;
  --ai-lime: #d9fe43;
  --ai-lime-soft: rgba(217, 254, 67, .16);
  --ai-border: rgba(255, 255, 255, .09);
  --ai-glass: rgba(255, 255, 255, .045);
  --ai-ink: #f2f4f6;
  --ai-dim: rgba(242, 244, 246, .56);
  --ai-up: #4ade80;
  --ai-up-bg: rgba(74, 222, 128, .12);
  --ai-down: #f87171;
  --ai-down-bg: rgba(248, 113, 113, .12);
  --ai-favorit: "ABC Favorit", sans-serif;
  --ai-inter: "Inter Display", sans-serif;
}

/* ---------- shared shell -------------------------------------------- */
.ai-section { padding: 12px 16px; background: var(--ai-black); }
.ai-inner { max-width: 1360px; margin: 0 auto; }

.ai-rv { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s cubic-bezier(.4, 0, .2, 1); }
.ai-rv.ai-rv-in { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   1. Flagship promo — "Meet Asterium AI"
   ========================================================================== */
.ai-promo-card {
  position: relative; overflow: hidden;
  border-radius: 36px;
  border: 1px solid var(--ai-border);
  background:
    radial-gradient(900px 520px at 82% 18%, rgba(217, 254, 67, .10), transparent 60%),
    radial-gradient(700px 480px at 8% 110%, rgba(120, 240, 200, .07), transparent 62%),
    linear-gradient(160deg, #0d0e10, #070708 55%);
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  align-items: center; gap: 24px;
  padding: clamp(40px, 6vw, 88px);
}
.ai-promo-card::after { /* hairline top light */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07);
}

.ai-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid rgba(217, 254, 67, .28);
  background: var(--ai-lime-soft);
  color: var(--ai-lime);
  font-family: var(--ai-favorit); font-size: 12px; letter-spacing: .14em; text-transform: uppercase;
}
.ai-eyebrow i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ai-lime);
  box-shadow: 0 0 10px var(--ai-lime);
  animation: ai-dot-pulse 2s ease-in-out infinite;
}
@keyframes ai-dot-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

.ai-promo-title {
  margin: 26px 0 0;
  font-family: var(--ai-favorit); font-weight: 400;
  font-size: clamp(2.4rem, 4.6vw, 4.25rem);
  line-height: 1.04; letter-spacing: -.02em; color: #fff;
}
.ai-promo-title em {
  font-style: normal;
  background: linear-gradient(103deg, #aaff26, var(--ai-lime) 60%, #f4ffd0);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ai-promo-sub {
  margin: 22px 0 0; max-width: 34em;
  font-family: var(--ai-inter); font-size: clamp(1rem, 1.25vw, 1.125rem);
  line-height: 1.65; letter-spacing: .01em; color: var(--ai-dim);
}

.ai-promo-cta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-top: 38px; }
.ai-cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 17px 38px; border: 0; border-radius: 999px; cursor: pointer;
  font-family: var(--ai-favorit); font-size: 16px; letter-spacing: .02em; color: var(--ai-black);
  background: linear-gradient(103deg, #aaff26, var(--ai-lime) 70.14%, #f1f3f6 100%);
  background-size: 300% 100%; background-position: 69% 0;
  box-shadow: 0 0 0 rgba(217, 254, 67, 0);
  transition: background-position .35s ease, box-shadow .35s ease, transform .25s ease;
}
.ai-cta:hover {
  background-position: 30% 0; transform: translateY(-1px);
  box-shadow: 0 10px 34px rgba(217, 254, 67, .28);
}
.ai-cta svg { width: 17px; height: 17px; }

.ai-promo-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; }
.ai-promo-chips span {
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--ai-border); background: var(--ai-glass);
  font-family: var(--ai-inter); font-size: 13px; letter-spacing: .02em; color: var(--ai-dim);
}

/* ---------- animated orb -------------------------------------------- */
.ai-orb-wrap { position: relative; display: flex; justify-content: center; }
.ai-orb { width: min(100%, 430px); height: auto; overflow: visible; }
.ai-orb-ring { transform-origin: 210px 210px; }
.ai-orb-ring--1 { animation: ai-spin 26s linear infinite; }
.ai-orb-ring--2 { animation: ai-spin 38s linear infinite reverse; }
.ai-orb-ring--3 { animation: ai-spin 52s linear infinite; }
@keyframes ai-spin { to { transform: rotate(360deg); } }
.ai-orb-core { transform-origin: 210px 210px; animation: ai-breathe 5.5s ease-in-out infinite; }
@keyframes ai-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.045); } }
.ai-orb-node { animation: ai-node 3.2s ease-in-out infinite; }
.ai-orb-node--2 { animation-delay: -.9s; }
.ai-orb-node--3 { animation-delay: -1.7s; }
.ai-orb-node--4 { animation-delay: -2.4s; }
@keyframes ai-node { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

/* ==========================================================================
   2. AI Market Summary
   ========================================================================== */
.ai-market-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
  padding: clamp(44px, 5vw, 72px) 8px 28px;
}
.ai-market-head h2 {
  margin: 0; font-family: var(--ai-favorit); font-weight: 400;
  font-size: clamp(1.9rem, 3vw, 2.75rem); letter-spacing: -.02em; line-height: 1.1; color: #fff;
}
.ai-live-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 15px; border-radius: 999px;
  border: 1px solid var(--ai-border); background: var(--ai-glass);
  font-family: var(--ai-inter); font-size: 12.5px; letter-spacing: .04em; color: var(--ai-dim);
}
.ai-live-badge i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ai-up);
  box-shadow: 0 0 8px var(--ai-up); animation: ai-dot-pulse 1.8s ease-in-out infinite;
}

.ai-market-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 14px; }
.ai-panel {
  border-radius: 28px; border: 1px solid var(--ai-border);
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .018));
  padding: clamp(24px, 2.6vw, 36px);
}

/* sentiment gauge */
.ai-senti-label { font-family: var(--ai-inter); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ai-dim); }
.ai-gauge-wrap { display: flex; flex-direction: column; align-items: center; margin-top: 14px; }
.ai-gauge { width: min(100%, 250px); overflow: visible; }
.ai-gauge-track { stroke: rgba(255, 255, 255, .1); }
.ai-gauge-val { transition: stroke-dashoffset 1.4s cubic-bezier(.3, 0, .2, 1); }
.ai-senti-word {
  margin-top: -66px; text-align: center;
  font-family: var(--ai-favorit); font-size: clamp(1.7rem, 2.2vw, 2.2rem); letter-spacing: -.01em; color: #fff;
  text-transform: capitalize;
}
.ai-senti-word.is-bullish { color: var(--ai-lime); text-shadow: 0 0 34px rgba(217, 254, 67, .35); }
.ai-senti-word.is-bearish { color: var(--ai-down); text-shadow: 0 0 34px rgba(248, 113, 113, .3); }
.ai-senti-score { margin-top: 6px; text-align: center; font-family: var(--ai-inter); font-size: 13.5px; color: var(--ai-dim); }

/* summary paragraph */
.ai-sum-label { display: flex; align-items: center; gap: 10px; font-family: var(--ai-inter); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ai-dim); }
.ai-sum-label svg { width: 15px; height: 15px; color: var(--ai-lime); }
.ai-sum-text {
  margin: 18px 0 0; font-family: var(--ai-inter);
  font-size: clamp(1.05rem, 1.35vw, 1.3rem); line-height: 1.7; letter-spacing: .01em; color: var(--ai-ink);
}

/* asset trend cards */
.ai-assets { display: grid; grid-template-columns: repeat(auto-fit, minmax(226px, 1fr)); gap: 14px; margin-top: 14px; }
.ai-asset-card {
  border-radius: 24px; border: 1px solid var(--ai-border);
  background: linear-gradient(165deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
  padding: 22px 22px 20px;
  transition: border-color .35s ease, transform .3s ease, box-shadow .35s ease;
}
.ai-asset-card:hover {
  transform: translateY(-3px); border-color: rgba(217, 254, 67, .3);
  box-shadow: 0 14px 40px rgba(0, 0, 0, .4), 0 0 28px rgba(217, 254, 67, .06);
}
.ai-asset-top { display: flex; align-items: center; gap: 10px; }
.ai-asset-ico {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--ai-lime-soft); border: 1px solid rgba(217, 254, 67, .3);
  font-family: var(--ai-favorit); font-size: 12px; color: var(--ai-lime); letter-spacing: 0;
}
.ai-asset-sym { font-family: var(--ai-favorit); font-size: 15px; color: #fff; }
.ai-asset-vol { font-family: var(--ai-inter); font-size: 11.5px; color: var(--ai-dim); margin-top: 2px; }
.ai-asset-chip {
  margin-left: auto; padding: 5px 11px; border-radius: 999px;
  font-family: var(--ai-inter); font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
}
.ai-asset-chip.up { color: var(--ai-up); background: var(--ai-up-bg); }
.ai-asset-chip.down { color: var(--ai-down); background: var(--ai-down-bg); }
.ai-asset-price { margin-top: 16px; font-family: var(--ai-favorit); font-size: clamp(1.35rem, 1.7vw, 1.65rem); letter-spacing: -.01em; color: #fff; }
.ai-asset-note {
  margin-top: 10px; font-family: var(--ai-inter); font-size: 13px; line-height: 1.55; color: var(--ai-dim);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* skeleton shimmer */
.ai-skel { position: relative; overflow: hidden; border-radius: 12px; background: rgba(255, 255, 255, .07); }
.ai-skel::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .09) 50%, transparent 80%);
  transform: translateX(-100%); animation: ai-shimmer 1.6s ease infinite;
}
@keyframes ai-shimmer { to { transform: translateX(100%); } }

.ai-market-error {
  padding: 34px 8px; text-align: center;
  font-family: var(--ai-inter); font-size: 15px; color: var(--ai-dim);
}

/* ==========================================================================
   3. "Powered by GT Protocol AI" banner strip
   ========================================================================== */
.ai-banner-section { padding: 28px 16px 40px; background: transparent; }
.ai-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  border-radius: 28px; border: 1px solid rgba(255, 255, 255, .08);
  background:
    radial-gradient(620px 300px at 88% 50%, rgba(217, 254, 67, .09), transparent 65%),
    linear-gradient(120deg, #0d0e10, #070708 60%);
  padding: clamp(26px, 3vw, 40px) clamp(28px, 3.4vw, 52px);
  overflow: hidden; position: relative;
}
.ai-banner::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06); }
.ai-banner-eyebrow { font-family: var(--ai-inter); font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--ai-dim); }
.ai-banner-title { margin: 10px 0 0; font-family: var(--ai-favorit); font-weight: 400; font-size: clamp(1.25rem, 1.9vw, 1.7rem); letter-spacing: -.01em; color: #fff; }
.ai-banner-title em { font-style: normal; color: var(--ai-lime); }
.ai-banner-sub { margin: 8px 0 0; font-family: var(--ai-inter); font-size: 14px; line-height: 1.6; color: var(--ai-dim); max-width: 40em; }
.ai-flow { flex: none; width: min(46%, 520px); }
.ai-flow svg { width: 100%; height: auto; overflow: visible; }
.ai-flow-label { font-family: var(--ai-inter); font-size: 11px; letter-spacing: .06em; fill: rgba(242, 244, 246, .6); }
.ai-flow-node { animation: ai-node 3s ease-in-out infinite; }
.ai-flow-node--2 { animation-delay: -1s; }
.ai-flow-node--3 { animation-delay: -2s; }

/* ==========================================================================
   4. Chat modal
   ========================================================================== */
#aiChatModal { position: fixed; inset: 0; z-index: 90; display: flex; align-items: flex-end; justify-content: flex-end; padding: 24px; }
#aiChatModal[hidden] { display: none; }
.aic-backdrop {
  position: absolute; inset: 0; background: rgba(4, 4, 5, .55);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  opacity: 0; transition: opacity .3s ease;
}
.aic-panel {
  position: relative; display: flex; flex-direction: column;
  width: min(430px, 100%); height: min(640px, calc(100dvh - 48px));
  border-radius: 26px; border: 1px solid rgba(255, 255, 255, .1);
  background: linear-gradient(170deg, #101114, #0a0b0d 55%);
  box-shadow: 0 32px 90px rgba(0, 0, 0, .65), 0 0 60px rgba(217, 254, 67, .05);
  opacity: 0; transform: translateY(26px) scale(.97);
  transition: opacity .32s ease, transform .32s cubic-bezier(.3, 0, .2, 1);
  overflow: hidden;
}
#aiChatModal.aic-in .aic-backdrop { opacity: 1; }
#aiChatModal.aic-in .aic-panel { opacity: 1; transform: translateY(0) scale(1); }

.aic-head { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid rgba(255, 255, 255, .07); }
.aic-avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 34% 30%, #eaffb0, var(--ai-lime) 55%, #55651a);
  box-shadow: 0 0 18px rgba(217, 254, 67, .35);
}
.aic-title { font-family: var(--ai-favorit); font-size: 16px; color: #fff; }
.aic-status { display: flex; align-items: center; gap: 6px; margin-top: 2px; font-family: var(--ai-inter); font-size: 11.5px; color: var(--ai-dim); }
.aic-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--ai-up); box-shadow: 0 0 6px var(--ai-up); }
.aic-close {
  margin-left: auto; width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--ai-border);
  background: var(--ai-glass); color: var(--ai-dim); cursor: pointer;
  display: flex; align-items: center; justify-content: center; font-size: 15px; line-height: 1;
  transition: color .25s, border-color .25s, transform .2s;
}
.aic-close:hover { color: #fff; border-color: rgba(255, 255, 255, .3); transform: rotate(90deg); }

.aic-msgs { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.15) transparent; }
.aic-msg { max-width: 86%; padding: 12px 16px; border-radius: 18px; font-family: var(--ai-inter); font-size: 14px; line-height: 1.6; letter-spacing: .01em; white-space: pre-wrap; overflow-wrap: break-word; animation: aic-msg-in .3s ease; }
@keyframes aic-msg-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.aic-msg.user { align-self: flex-end; background: var(--ai-lime); color: var(--ai-black); border-bottom-right-radius: 6px; }
.aic-msg.bot { align-self: flex-start; background: rgba(255, 255, 255, .07); color: var(--ai-ink); border: 1px solid rgba(255, 255, 255, .06); border-bottom-left-radius: 6px; }
.aic-msg.bot strong { color: var(--ai-lime); font-weight: 600; }
.aic-msg.err { align-self: flex-start; background: rgba(248, 113, 113, .1); border: 1px solid rgba(248, 113, 113, .25); color: #fca5a5; }

.aic-typing { align-self: flex-start; display: flex; gap: 5px; padding: 14px 18px; border-radius: 18px; border-bottom-left-radius: 6px; background: rgba(255, 255, 255, .07); }
.aic-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--ai-dim); animation: aic-bounce 1.2s ease-in-out infinite; }
.aic-typing i:nth-child(2) { animation-delay: .15s; }
.aic-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes aic-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-5px); opacity: 1; } }

.aic-hints { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 8px; }
.aic-hints button {
  padding: 8px 14px; border-radius: 999px; border: 1px solid var(--ai-border); background: var(--ai-glass);
  font-family: var(--ai-inter); font-size: 12.5px; color: var(--ai-dim); cursor: pointer;
  transition: color .25s, border-color .25s;
}
.aic-hints button:hover { color: var(--ai-lime); border-color: rgba(217, 254, 67, .35); }

.aic-inputrow { display: flex; gap: 10px; padding: 14px 16px 16px; border-top: 1px solid rgba(255, 255, 255, .07); }
.aic-inputrow input {
  flex: 1; min-width: 0; padding: 13px 18px; border-radius: 999px;
  border: 1px solid var(--ai-border); background: rgba(255, 255, 255, .05);
  font-family: var(--ai-inter); font-size: 14px; color: #fff; outline: none;
  transition: border-color .25s;
}
.aic-inputrow input::placeholder { color: rgba(242, 244, 246, .35); }
.aic-inputrow input:focus { border-color: rgba(217, 254, 67, .4); }
.aic-send {
  width: 46px; height: 46px; flex: none; border-radius: 50%; border: 0; cursor: pointer;
  background: linear-gradient(103deg, #aaff26, var(--ai-lime) 75%);
  color: var(--ai-black); display: flex; align-items: center; justify-content: center;
  transition: transform .2s, box-shadow .3s, opacity .2s;
}
.aic-send:hover { transform: scale(1.07); box-shadow: 0 0 22px rgba(217, 254, 67, .4); }
.aic-send:disabled { opacity: .45; cursor: default; transform: none; box-shadow: none; }
.aic-send svg { width: 18px; height: 18px; }

/* ==========================================================================
   responsive + motion prefs
   ========================================================================== */
@media (max-width: 980px) {
  .ai-promo-card { grid-template-columns: 1fr; padding: 44px 28px; text-align: left; }
  .ai-orb-wrap { order: -1; margin-bottom: 8px; }
  .ai-orb { width: min(72%, 320px); }
  .ai-market-grid { grid-template-columns: 1fr; }
  .ai-banner { flex-direction: column; align-items: flex-start; }
  .ai-flow { width: 100%; max-width: 460px; }
}
@media (max-width: 640px) {
  #aiChatModal { padding: 0; }
  .aic-panel { width: 100%; height: 100dvh; border-radius: 0; border: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ai-orb-ring, .ai-orb-core, .ai-orb-node, .ai-flow-node, .ai-eyebrow i,
  .ai-live-badge i, .ai-skel::after { animation: none !important; }
  .ai-rv { opacity: 1; transform: none; transition: none; }
}