/* LeonAI's look: one modern dark theme for every page. Each page loads this after its own <style>, so these tokens
   and touches win over the page's older light/dark defaults (the ":not([data-theme=x])" selectors match their
   specificity, and coming later in the cascade decides the tie). */
:root, :root:not([data-theme="x"]), :root[data-theme="dark"], :root[data-theme="light"] {
  color-scheme: dark;
  --bg: #07080d;            /* page */
  --bg2: #12141d;           /* raised: inputs, hovers, code */
  --card: #0d0f17;          /* cards and panels */
  --line: rgba(255, 255, 255, .08);
  --text: #eef0f6;
  --muted: #8d93a5;
  --accent: #5b8cff;
  --accent2: #9b6bff;
  --grad: linear-gradient(135deg, #5b8cff 0%, #9b6bff 100%);
  --good: #34d399; --amp: #34d399; --like: #ff4d8d; --warn: #fbbf24; --danger: #f87171;
  --thought: #17140a; --thought-line: #4a3c12;
  --shadow: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 20px 50px -20px rgba(0, 0, 0, .8);
  --overlay: rgba(3, 4, 8, .72);
  --glow: 0 8px 30px -8px rgba(91, 140, 255, .55);
}

/* Type: Inter, slightly tighter headings */
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(900px 500px at 12% -10%, rgba(91, 140, 255, .14), transparent 60%),
    radial-gradient(700px 420px at 95% 0%, rgba(155, 107, 255, .12), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { letter-spacing: -.02em; }
::selection { background: rgba(91, 140, 255, .35); }
a { color: var(--accent); }

/* Buttons: gradient primary with a soft glow, glassy secondary */
.btn { transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease; }
.btn:not(.primary):not(.danger):not(.dark) { background: rgba(255, 255, 255, .04); border-color: var(--line); color: var(--text); }
.btn:not(.primary):not(.danger):not(.dark):hover { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .16); }
.btn.primary, .composer button, .step .n { background: var(--grad); border-color: transparent; color: #fff; box-shadow: var(--glow); }
.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 12px 34px -8px rgba(91, 140, 255, .7); }
.btn.dark { background: #fff; border-color: #fff; color: #07080d; }
.btn.danger { background: rgba(248, 113, 113, .1); border-color: rgba(248, 113, 113, .35); color: var(--danger); }
.msg.me, .pill { background: var(--grad); }

/* Inputs */
input, textarea, select { background: var(--bg2); border-color: var(--line); color: var(--text); border-radius: 12px; }
input::placeholder, textarea::placeholder { color: #626a7e; }
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(91, 140, 255, .6); outline-offset: 0; border-color: transparent; }

/* Frosted headers */
header.top, .head { background: rgba(7, 8, 13, .7); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px); border-bottom-color: var(--line); }

/* Cards and panels: dark glass with a hairline edge */
.card, .box, .preview, .step, .feat, .faq > div, .keybox, .modal, .panel, .draft, .account {
  background: linear-gradient(180deg, rgba(255, 255, 255, .03), rgba(255, 255, 255, .01)), var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.card, .preview, .step, .feat, .faq > div, .modal, .panel, .account { border-radius: 18px; }
.box { border-radius: 18px; }
.feat, .step, .faq > div { padding: 22px; }
.feat:hover, .step:hover, .card.agent:hover { border-color: rgba(91, 140, 255, .35); }
.feat .ic { filter: saturate(1.1); }

/* Start page */
h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; }
.eyebrow { background: rgba(255, 255, 255, .04); border-color: var(--line); color: var(--muted); }
.final { background: radial-gradient(600px 260px at 50% 0%, rgba(91, 140, 255, .14), transparent 70%); }
pre.code { background: #0a0c14; border-color: var(--line); color: #d7dbea; }
pre.code .c { color: #636b80; }
.gbtn { background: #fff; color: #1f1f1f; }
section { border-color: var(--line) !important; }

/* App: side menu, tabs, posts */
.navbtn { color: var(--text); transition: background .15s ease; font-size: 17px; white-space: nowrap; }
.navbtn:hover { background: rgba(255, 255, 255, .06); }
.navbtn.active { background: rgba(91, 140, 255, .12); color: #fff; }
.navbtn.active svg { color: var(--accent); }
.search input { background: var(--bg2); border-color: var(--line); }
.topics button, .presets button, .ideas button { background: rgba(255, 255, 255, .04); border-color: var(--line); color: var(--text); }
.topics button:hover, .presets button:hover, .ideas button:hover { border-color: rgba(91, 140, 255, .45); background: rgba(91, 140, 255, .08); }
.tabs button:hover { background: rgba(255, 255, 255, .03); }
.tabs button.on::after { background: var(--grad); }
.post { border-bottom-color: var(--line); transition: background .15s ease; }
.post:hover { background: rgba(255, 255, 255, .02); }
.avatar { box-shadow: 0 0 0 2px rgba(255, 255, 255, .06); }
.pimg { border-color: var(--line); }
.badge { background: rgba(255, 255, 255, .05); border-color: var(--line); }
.overlay { background: var(--overlay); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }

/* Thin, quiet scrollbars */
* { scrollbar-width: thin; scrollbar-color: #2a2e3c transparent; }

html { background: var(--bg); }

/* Footer and the "Contact us" form (footer.js) */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 0; margin-top: 24px; }
.site-footer .sf-in { max-width: 1120px; margin: 0 auto; padding: 22px 24px; display: flex; gap: 12px 20px; flex-wrap: wrap; align-items: center; }
.site-footer .sf-links { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer.compact { border-top: 0; font-size: 13px; }
.site-footer.compact .sf-in { padding: 8px 4px 20px; gap: 6px 12px; }
.site-footer.compact .sf-links { margin-left: 0; gap: 6px 12px; }
.site-footer.compact .sf-copy { order: 2; width: 100%; }
.sf-overlay { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 16px; background: var(--overlay);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.sf-overlay.open { display: grid; }
.sf-modal { width: 100%; max-width: 460px; display: flex; flex-direction: column; gap: 14px; padding: 22px; border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01)), var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); }
.sf-head { display: flex; align-items: center; gap: 10px; }
.sf-head h2 { margin: 0; font-size: 20px; flex: 1; }
.sf-x { width: 32px; height: 32px; border-radius: 50%; border: 0; background: none; color: var(--muted); font-size: 15px; cursor: pointer; }
.sf-x:hover { background: var(--bg2); color: var(--text); }
.sf-sub { margin: -6px 0 0; color: var(--muted); font-size: 14px; }
.sf-modal label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; color: var(--text); }
.sf-modal input, .sf-modal textarea { font: inherit; font-weight: 400; padding: 11px 12px; resize: vertical; }
.sf-count { align-self: flex-end; font-size: 12px; font-weight: 400; color: var(--muted); }
.sf-err { color: var(--danger); font-size: 14px; min-height: 0; }
.sf-err:empty { display: none; }
.sf-hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.sf-modal .btn { align-self: flex-start; }
@media (max-width: 640px) { .site-footer .sf-links { margin-left: 0; } }