:root {
  --bg: #f4f6f8;          /* page background */
  --bg-2: #eceff3;
  --card: #ffffff;
  --card-2: #f7f9fb;
  --border: #e0e4e9;
  --text: #2b2f36;
  --muted: #7a8494;
  --accent: #ff6a00;      /* orange action buttons (Monero + LocalBitcoins style) */
  --accent-2: #ff8a33;
  --link: #1c8ed6;        /* blue links / tabs */
  --link-dark: #127bbd;
  --green: #3fa34d;       /* prices, online */
  --red: #d64550;         /* offline, negative */
  --radius: 6px;
  --shadow: 0 1px 3px rgba(20,30,50,.08);
  font-synthesis: none;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: 14px;
  min-height: 100vh;
  line-height: 1.5;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-dark); text-decoration: underline; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* top nav */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 22px; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 19px; color: var(--text); }
.brand .logo {
  width: 30px; height: 30px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #ff9a4d);
  display: grid; place-items: center; color: #fff; font-weight: 800;
}
.nav-links { display: flex; gap: 20px; margin-left: auto; align-items: center; }
.nav-links a { color: #4a5260; font-weight: 600; }
.nav-links a:hover { color: var(--link); text-decoration: none; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 16px; border-radius: var(--radius);
  border: 1px solid var(--border);
  font-weight: 600; cursor: pointer; font-size: 14px; transition: .12s ease;
  background: #fff; color: #3a4150;
}
.btn:hover { background: var(--card-2); border-color: #ccd2da; text-decoration: none; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--link); }
.btn.ghost:hover { background: var(--card-2); }
.btn.danger { background: var(--red); color: #fff; border-color: var(--red); }
.btn.danger:hover { background: #c23c46; }
.btn.success { background: var(--green); color: #fff; border-color: var(--green); }
.btn.success:hover { background: #368c42; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* hero */
.hero { padding: 54px 0 30px; }
.hero h1 { font-size: 40px; line-height: 1.12; margin: 0 0 14px; font-weight: 800; letter-spacing: -.6px; color: #222831; }
.hero h1 .accent { color: var(--accent); }
.hero p.lead { font-size: 17px; color: #55606f; max-width: 620px; }
.hero .cta { margin-top: 22px; display: flex; gap: 12px; }
.badges { display: flex; gap: 22px; margin-top: 30px; flex-wrap: wrap; }
.badge { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.badge b { color: var(--text); }
.nokyc { display: inline-flex; align-items: center; gap: 8px; background: #eaf7ec; color: var(--green); border: 1px solid #cfe9d3; padding: 6px 14px; border-radius: 999px; font-weight: 700; font-size: 13px; }

/* cards */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 780px) { .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; } }

/* tabs (Quick Buy / Quick Sell) */
.qtabs { display: flex; border-bottom: 1px solid var(--border); }
.qtabs button {
  border: none; background: transparent; font-size: 15px; font-weight: 700; color: var(--muted);
  padding: 14px 22px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.qtabs button.on { color: var(--link); border-bottom-color: var(--link); }

/* search filter row */
.searchbar { display: flex; gap: 10px; flex-wrap: wrap; padding: 18px; align-items: center; }
.searchbar select, .searchbar input { height: 40px; }

/* tables / offer list */
.offers { width: 100%; border-collapse: collapse; }
.offers th, .offers td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.offers th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; font-weight: 700; background: var(--card-2); }
.offers tbody tr:nth-child(even) td { background: #fafbfc; }
.offers tbody tr:hover td { background: #f0f6fb; }
.price { color: var(--green); font-weight: 800; font-size: 15px; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 4px; font-size: 12px; font-weight: 700; }
.tag.buy { background: #eaf7ec; color: var(--green); }
.tag.sell { background: #fdeee2; color: var(--accent); }
.rep-pos { color: var(--green); } .rep-neg { color: var(--red); }

/* forms */
label { display: block; font-size: 13px; color: #4a5260; margin: 14px 0 6px; font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: var(--radius); border: 1px solid #cfd5dd;
  background: #fff; color: var(--text); font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--link); box-shadow: 0 0 0 3px rgba(28,142,214,.15); }
.row { display: flex; gap: 14px; } .row > * { flex: 1; }
/* left-label / right-hint form rows (LocalBitcoins style) */
.formrow { display: grid; grid-template-columns: 170px 1fr 1fr; gap: 18px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--border); }
.formrow > label { margin: 8px 0 0; font-size: 14px; color: #333; }
.formrow .hint { color: var(--muted); font-size: 13px; font-style: italic; padding-top: 8px; }
@media (max-width: 720px) { .formrow { grid-template-columns: 1fr; gap: 4px; } .formrow .hint { padding-top: 2px; } }

/* trade room */
.state-pill { padding: 4px 12px; border-radius: 999px; font-weight: 700; font-size: 12px; }
.state-CREATED, .state-FUNDING { background: #fff5e6; color: #c47d17; }
.state-FUNDED, .state-FIAT_SENT { background: #e7f1fb; color: var(--link); }
.state-RELEASED { background: #eaf7ec; color: var(--green); }
.state-DISPUTED { background: #fdeaec; color: var(--red); }
.state-CANCELLED, .state-REFUNDED, .state-EXPIRED { background: #eef0f3; color: var(--muted); }
.chat { max-height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 4px; }
.msg { padding: 9px 13px; border-radius: 10px; background: var(--card-2); max-width: 80%; border: 1px solid var(--border); }
.msg.mine { align-self: flex-end; background: #e7f1fb; border-color: #cfe2f5; }
.msg.system { align-self: center; background: transparent; border: none; color: var(--muted); font-size: 13px; font-style: italic; }
.mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; word-break: break-all; }

/* misc */
.muted { color: var(--muted); }
.notice { padding: 11px 15px; border-radius: var(--radius); margin: 12px 0; font-size: 14px; }
.notice.err { background: #fdeaec; color: #b3313c; border: 1px solid #f3c6cb; }
.notice.ok { background: #eaf7ec; color: #2f7d3a; border: 1px solid #cfe9d3; }
.notice.warn { background: #fff5e6; color: #a9711a; border: 1px solid #f2ddb8; }
h2.section { font-size: 24px; margin: 8px 0 18px; color: #222831; }
footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 28px 0; color: var(--muted); font-size: 13px; background: #fff; }
.hidden { display: none !important; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(0,0,0,.12); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* landing sections */
.statbar { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 10px; }
.stat { flex: 1; min-width: 150px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 15px 18px; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 20px; color: var(--accent); }
.stat span { color: var(--muted); font-size: 13px; }
.section-head { text-align: center; margin: 60px 0 8px; }
.section-head h2 { font-size: 27px; margin: 0 0 8px; letter-spacing: -.4px; color: #222831; }
.section-head p { color: var(--muted); max-width: 560px; margin: 0 auto; }
.seg { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 4px; gap: 4px; margin: 20px auto 6px; box-shadow: var(--shadow); }
.seg button { border: none; background: transparent; color: var(--muted); font-weight: 700; padding: 8px 22px; border-radius: 999px; cursor: pointer; font-size: 14px; }
.seg button.on { background: var(--link); color: #fff; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 24px; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }
.step { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.step .n { width: 32px; height: 32px; border-radius: 8px; background: #fef0e6; color: var(--accent); display: grid; place-items: center; font-weight: 800; margin-bottom: 11px; }
.step h4 { margin: 0 0 6px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
@media (max-width: 820px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .features { grid-template-columns: 1fr; } }
.feature { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.feature .ico { font-size: 21px; margin-bottom: 9px; }
.feature h4 { margin: 0 0 6px; font-size: 15px; }
.feature p { margin: 0; color: var(--muted); font-size: 14px; }
.faq { max-width: 760px; margin: 24px auto 0; }
.faq details { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 4px 18px; margin-bottom: 10px; box-shadow: var(--shadow); }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; float: right; color: var(--accent); font-weight: 800; }
.faq details[open] summary::after { content: '\2212'; }
.faq details p { color: var(--muted); margin: 0 0 14px; font-size: 14px; }