:root {
    --bg: #0f1115;
    --card: #181b22;
    --line: #2a2f3a;
    --text: #e6e8ee;
    --muted: #9aa3b2;
    --accent: #4f8cff;
    --ok: #2fbf71;
    --err: #ff5d5d;
    --warn: #ffb020;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 22px; border-bottom: 1px solid var(--line); background: #12141a;
}
.logo { color: var(--text); text-decoration: none; font-weight: 600; }
.adminnav a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.adminnav a:hover { color: var(--accent); }
.container { max-width: 1000px; margin: 28px auto; padding: 0 18px; }
.card {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px;
    padding: 26px; max-width: 640px; margin: 0 auto;
}
.card.narrow { max-width: 380px; }
.card.wide { max-width: 100%; }
h1 { font-size: 22px; margin-top: 0; }
h2 { font-size: 17px; margin-top: 26px; }
.muted { color: var(--muted); font-size: 14px; }
.form { display: flex; flex-direction: column; gap: 8px; margin-top: 18px; }
.form label { font-size: 14px; color: var(--muted); margin-top: 8px; }
input, select {
    background: #0e1016; border: 1px solid var(--line); color: var(--text);
    border-radius: 8px; padding: 10px 12px; font-size: 15px; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.btn {
    background: var(--accent); color: #fff; border: none; border-radius: 8px;
    padding: 11px 18px; font-size: 15px; cursor: pointer; margin-top: 14px;
    text-decoration: none; display: inline-block;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: #2a2f3a; }
.btn.small { padding: 7px 12px; font-size: 13px; margin-top: 0; }
.error { color: var(--err); }
.error-box {
    background: rgba(255,93,93,.1); border: 1px solid var(--err);
    border-radius: 8px; padding: 12px; color: #ffcaca;
}
.success-box {
    background: rgba(47,191,113,.1); border: 1px solid var(--ok);
    border-radius: 8px; padding: 16px; margin: 16px 0;
}
.key {
    display: block; word-break: break-all; background: #0e1016;
    border: 1px solid var(--line); border-radius: 8px; padding: 12px;
    font-family: monospace; font-size: 14px; margin: 8px 0;
}
.footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; }
.grid { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14px; }
.grid th, .grid td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
.grid th { color: var(--muted); font-weight: 600; }
.grid a { color: var(--accent); text-decoration: none; }
.kv { width: 100%; border-collapse: collapse; font-size: 14px; }
.kv td { padding: 8px 10px; border-bottom: 1px solid var(--line); }
.kv td:first-child { color: var(--muted); width: 220px; }
.filterbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filterbar input { width: auto; flex: 1; min-width: 200px; }
.filterbar select { width: auto; }
.badge { padding: 3px 9px; border-radius: 20px; font-size: 12px; }
.st-COMPLETED { background: rgba(47,191,113,.18); color: var(--ok); }
.st-FAILED, .st-CANCELLED { background: rgba(255,93,93,.18); color: var(--err); }
.st-PROCESSING, .st-SENDING, .st-BLOCKCHAIN_PENDING { background: rgba(79,140,255,.18); color: var(--accent); }
.st-WAITING_PAYMENT { background: rgba(255,176,32,.18); color: var(--warn); }
.warn { color: var(--warn); }
.inline { display: inline-flex; gap: 10px; align-items: center; margin: 14px 0; }
.chk { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); }
.chk input { width: auto; }
.lvl-error td { color: #ffc9c9; }
.lvl-warning td { color: #ffe2b0; }
.spinner {
    width: 26px; height: 26px; border: 3px solid var(--line);
    border-top-color: var(--accent); border-radius: 50%;
    animation: spin 0.9s linear infinite; margin: 16px 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Дополнения для схемы «оплата ссылки» --- */
.steps { margin: 0 0 1rem 1.2rem; color: var(--muted, #9aa); line-height: 1.6; }
.steps li { margin-bottom: .3rem; }
.break { word-break: break-all; }
.actions { margin: 1rem 0; }
.manual { margin: 1.2rem 0; padding: 1rem; border: 1px solid #b8860b55; border-radius: 8px; }
.manual input[type=text] { min-width: 320px; }
.badge.st-MANUAL_REVIEW { background:#7a5c00; color:#ffd970; }
.badge.st-BLOCKCHAIN_PENDING { background:#264b7a; color:#bcd6ff; }

/* --- Витрина / SEO-лендинг --- */
.lead { font-size: 1.05rem; line-height: 1.6; color: var(--text, #e6e9ef); }
.small { font-size: .85rem; }
.buy-cta { display:inline-block; margin:.6rem 0 .2rem; background:#1f9d55; }
.buy-cta:hover { background:#1b8a4b; }
.faq h3 { margin:1rem 0 .2rem; font-size:1rem; }
.faq p { margin:0 0 .6rem; color: var(--muted, #9aa); }
.card h2 { margin-top:1.4rem; }