/* === IbiPoint Support — Unified Styles with Light/Dark Mode ============ */

/* Dark Mode Tokens (default) */
:root {
  --bg: #0d0f12;
  --bg-gradient-start: #11141c;
  --bg-gradient-end: #0d0f12;
  --panel: #121418;
  --muted: #9aa6b2;
  --line: rgba(255, 255, 255, 0.10);
  --text: #f1f5f9;
  --text-lead: #cbd5e1;
  --text-bullets: #c7d2fe;
  --accent1: #00ffef;
  --accent2: #0099ff;
  --ring: 0 0 0 3px rgba(0, 153, 255, 0.18);
  --radius: 18px;
  
  /* Component-specific colors */
  --header-bg: rgba(13, 15, 18, 0.75);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-shadow: rgba(0, 0, 0, 0.35);
  --bubble-bot-bg: #171a1d;
  --bubble-user-text: #061010;
  --bubble-shadow: rgba(0, 0, 0, 0.25);
  --bubble-user-glow: rgba(0, 255, 239, 0.35);
  --input-bg: #0e1012;
  --input-border-focus: rgba(255, 255, 255, 0.22);
  --btn-shadow: rgba(0, 153, 255, 0.28);
  --btn-outline-hover-bg: rgba(255, 255, 255, 0.03);
  --btn-outline-hover-border: rgba(255, 255, 255, 0.25);
}

/* Light Mode Tokens */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --bg-gradient-start: #e0e7ff;
    --bg-gradient-end: #f8fafc;
    --panel: #ffffff;
    --muted: #64748b;
    --line: rgba(0, 0, 0, 0.08);
    --text: #0f172a;
    --text-lead: #334155;
    --text-bullets: #4338ca;
    --accent1: #0891b2;
    --accent2: #0284c7;
    --ring: 0 0 0 3px rgba(2, 132, 199, 0.15);
    
    /* Component-specific colors */
    --header-bg: rgba(248, 250, 252, 0.85);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-shadow: rgba(0, 0, 0, 0.08);
    --bubble-bot-bg: #f1f5f9;
    --bubble-user-text: #ffffff;
    --bubble-shadow: rgba(0, 0, 0, 0.12);
    --bubble-user-glow: rgba(8, 145, 178, 0.25);
    --input-bg: #ffffff;
    --input-border-focus: rgba(2, 132, 199, 0.35);
    --btn-shadow: rgba(2, 132, 199, 0.22);
    --btn-outline-hover-bg: rgba(0, 0, 0, 0.03);
    --btn-outline-hover-border: rgba(0, 0, 0, 0.15);
  }
}

/* Manual theme override classes (optional) */
[data-theme="dark"] {
  --bg: #0d0f12;
  --bg-gradient-start: #11141c;
  --bg-gradient-end: #0d0f12;
  --panel: #121418;
  --muted: #9aa6b2;
  --line: rgba(255, 255, 255, 0.10);
  --text: #f1f5f9;
  --text-lead: #cbd5e1;
  --text-bullets: #c7d2fe;
  --accent1: #00ffef;
  --accent2: #0099ff;
  --ring: 0 0 0 3px rgba(0, 153, 255, 0.18);
  --header-bg: rgba(13, 15, 18, 0.75);
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-shadow: rgba(0, 0, 0, 0.35);
  --bubble-bot-bg: #171a1d;
  --bubble-user-text: #061010;
  --bubble-shadow: rgba(0, 0, 0, 0.25);
  --bubble-user-glow: rgba(0, 255, 239, 0.35);
  --input-bg: #0e1012;
  --input-border-focus: rgba(255, 255, 255, 0.22);
  --btn-shadow: rgba(0, 153, 255, 0.28);
  --btn-outline-hover-bg: rgba(255, 255, 255, 0.03);
  --btn-outline-hover-border: rgba(255, 255, 255, 0.25);
}

[data-theme="light"] {
  --bg: #f8fafc;
  --bg-gradient-start: #e0e7ff;
  --bg-gradient-end: #f8fafc;
  --panel: #ffffff;
  --muted: #64748b;
  --line: rgba(0, 0, 0, 0.08);
  --text: #0f172a;
  --text-lead: #334155;
  --text-bullets: #4338ca;
  --accent1: #0891b2;
  --accent2: #0284c7;
  --ring: 0 0 0 3px rgba(2, 132, 199, 0.15);
  --header-bg: rgba(248, 250, 252, 0.85);
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-shadow: rgba(0, 0, 0, 0.08);
  --bubble-bot-bg: #f1f5f9;
  --bubble-user-text: #ffffff;
  --bubble-shadow: rgba(0, 0, 0, 0.12);
  --bubble-user-glow: rgba(8, 145, 178, 0.25);
  --input-bg: #ffffff;
  --input-border-focus: rgba(2, 132, 199, 0.35);
  --btn-shadow: rgba(2, 132, 199, 0.22);
  --btn-outline-hover-bg: rgba(0, 0, 0, 0.03);
  --btn-outline-hover-border: rgba(0, 0, 0, 0.15);
}

/* Base / reset */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body {
  margin: 0;
  min-height: 100dvh;
  background: radial-gradient(1200px 800px at 80% -10%, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 38%), var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { width: 26px; height: auto; }
.brand-text small { display: block; color: var(--muted); margin-top: -2px; }
.top-links a { color: var(--text); opacity: 0.85; margin-left: 16px; text-decoration: none; }
.top-links a:hover { opacity: 1; }

/* Hero */
.hero { padding: 32px 0 22px; }
h1 { font-size: clamp(28px, 4.4vw, 54px); line-height: 1.08; margin: 0; }
.lead { color: var(--text-lead); font-size: clamp(16px, 1.5vw, 19px); opacity: 0.9; }
.grad {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bullets { margin: 14px 0 0; color: var(--text-bullets); opacity: 0.9; line-height: 1.5; }

/* Cards / chat shell */
.card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px var(--card-shadow);
}
.chat { padding: 14px; }
.messages {
  max-height: 65vh;
  height: min(58vh, 540px);
  overflow: auto;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 16px;
  line-height: 1.45;
  box-shadow: 0 8px 24px var(--bubble-shadow);
  animation: fadeIn 0.25s ease;
  word-wrap: break-word;
}
.bubble.bot {
  background: var(--bubble-bot-bg);
  border: 1px solid var(--line);
  white-space: pre-line;
}
.bubble.user {
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: var(--bubble-user-text);
  margin-left: auto;
  font-weight: 600;
  border-bottom-right-radius: 4px;
  box-shadow: 0 0 10px var(--bubble-user-glow);
}
.typing { color: var(--muted); font-size: 14px; padding: 0 8px 8px; display: none; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }
.cursor { display: inline-block; color: var(--accent1); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Composer */
.composer { display: flex; gap: 10px; margin-top: 8px; padding: 8px; }
.composer input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 16px;
  color: var(--text);
  outline: none;
}
.composer input:focus { box-shadow: var(--ring); border-color: var(--input-border-focus); }
.composer button {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  color: var(--bubble-user-text);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 24px var(--btn-shadow);
}
.composer button:hover { filter: brightness(1.06); }

/* iOS input zoom fix */
.composer input,
.composer textarea,
.composer select,
.composer button { font-size: 16px; line-height: 1.4; }

/* FAQ */
.faq { margin: 34px auto 60px; display: grid; gap: 12px; }
.faq h2 { margin: 0 0 6px; }
details {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
summary { cursor: pointer; font-weight: 700; }
details > p { padding: 0 16px 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 22px 0; color: var(--muted); text-align: center; }
.foot-links a { color: inherit; text-decoration: none; margin: 0 8px; }

/* CTA glass under intro */
.cta-glass.card { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.cta-inner { width: 100%; padding: 18px 18px 16px; text-align: center; }
.cta-inner h3 { margin: 0 0 6px; font-size: 18px; }
.cta-inner p { margin: 0 0 14px; color: var(--muted); }
.cta-glass a { color: inherit; text-decoration: none; }

/* Buttons */
.cta-actions {
  display: flex;
  gap: 12px;
  font-weight: 600;
  color: var(--bubble-user-text);
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0;
  font-weight: 600;
  color: var(--bubble-user-text);
  background: linear-gradient(135deg, var(--accent1), var(--accent2));
  box-shadow: 0 10px 24px var(--btn-shadow);
  text-decoration: none;
  transition: filter 0.2s ease, transform 0.2s ease;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn.outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
  font-weight: 600;
}
.btn.outline:hover {
  border-color: var(--btn-outline-hover-border);
  background: var(--btn-outline-hover-bg);
}

/* ================= Layout ================= */
/* Desktop: copy + CTA left / chat right */
@media (min-width: 981px) {
  .hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "copy chat"
      "cta  chat";
    align-items: start;
    gap: 28px 36px;
  }
  .hero-copy { grid-area: copy; margin-bottom: 24px; }
  .cta-glass { grid-area: cta; align-self: end; margin-top: 0; padding-bottom: 18px; }
  .chat.card { grid-area: chat; align-self: stretch; display: flex; flex-direction: column; }
}

/* Tablet: same visual order but stacked */
@media (min-width: 721px) and (max-width: 980px) {
  .wrap { padding: 0 18px; }
  .hero { padding: 30px 0 14px; }
  .messages { max-height: calc(58dvh - 90px); }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas: "copy" "chat" "cta";
    gap: 18px;
  }
  .hero-copy { grid-area: copy; }
  .chat.card { grid-area: chat; }
  .cta-glass { grid-area: cta; }
}

/* Mobile: copy → chat → CTA */
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .site-header .wrap { height: 56px; }
  .brand .logo { width: 22px; }
  .hero { padding: 24px 0 8px; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas: "copy" "chat" "cta";
    gap: 16px;
  }
  .hero-copy { grid-area: copy; }
  .chat.card { grid-area: chat; }
  .cta-glass { grid-area: cta; }
  .bubble { max-width: 92%; font-size: 16px; line-height: 1.5; }
  .composer { gap: 8px; margin-top: 6px; padding: 8px; }
  .composer input { padding: 14px 16px; }
  .composer button { padding: 14px 18px; }
  .messages { max-height: calc(65dvh - 100px); padding: 12px; gap: 8px; }
  .faq { gap: 10px; margin: 28px auto 44px; }
}