:root{--bg:#f6f5f2;--card:#ffffff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--accent:#111827;--soft:#f3f4f6;--ok-bg:#ecfdf5;--ok-text:#166534;--warn-bg:#fff7ed;--warn-text:#9a3412;--info-bg:#eff6ff;--info-text:#1d4ed8}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:980px;margin:0 auto;padding:24px 16px 56px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px}
.brand{font-size:22px;font-weight:700}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav a,.nav button,button,.btn{border:0;background:var(--accent);color:#fff;text-decoration:none;border-radius:14px;padding:12px 16px;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;justify-content:center}
button[disabled]{opacity:.55;cursor:not-allowed}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-small{padding:10px 12px;font-size:13px;border-radius:12px}
.hero,.card{background:var(--card);border-radius:22px;padding:24px;box-shadow:0 10px 30px rgba(0,0,0,.05);margin-bottom:18px}
.hero-wide{padding:32px 28px}
.hero-compact{padding-bottom:26px}
.hero h1{margin:0 0 12px;font-size:38px;line-height:1.1}
.hero p{max-width:760px}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.feature-card h3,.tariff-card h3,.card h2,.card h3,.cta-card h4{margin-top:0}
label{display:block;font-size:14px;margin-bottom:8px}
input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line);margin-bottom:14px}
small,.muted{color:var(--muted)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.actions-vertical{flex-direction:column;align-items:stretch}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eef2ff;font-size:12px;margin-bottom:12px}
.error{color:#b91c1c;margin-bottom:12px}
pre.key{background:#f8fafc;border:1px solid var(--line);padding:12px;border-radius:14px;white-space:pre-wrap;word-break:break-all;margin:8px 0 0}
form.inline{display:inline}
.header-card{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.eyebrow{margin:0 0 6px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.status-pill{padding:10px 14px;border-radius:999px;font-size:13px;font-weight:700;white-space:nowrap}
.status-ok{background:var(--ok-bg);color:var(--ok-text)}
.status-off{background:var(--warn-bg);color:var(--warn-text)}
.stat-card small{display:block;margin-bottom:8px}
.stat-value{font-size:28px;font-weight:700}
.details-list{display:flex;flex-direction:column;gap:12px}
.detail-row{display:flex;justify-content:space-between;align-items:center;gap:18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.detail-row strong{display:block;text-align:right}
.detail-row:last-child{border-bottom:0;padding-bottom:0}
.detail-row-stack{align-items:flex-start}
.notice{border-radius:16px;padding:14px 16px;margin-top:16px}
.notice-info{background:var(--info-bg);color:var(--info-text)}
.notice-soft{background:var(--soft)}
.compact-note{margin-top:10px}
.tariff-card{display:flex;flex-direction:column;gap:12px}
.tariff-highlight{outline:2px solid #dbeafe}
.tariff-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.price{font-size:28px;font-weight:700;white-space:nowrap}
.price-block{display:flex;flex-direction:column;gap:8px}
.tariff-list{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:8px}
.cta-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
.cta-card{background:#fafaf9;border:1px solid var(--line);border-radius:18px;padding:18px;display:flex;flex-direction:column;gap:12px}
.cta-card-highlight{border-color:#c7d2fe;box-shadow:0 8px 24px rgba(59,130,246,.08)}
.cta-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.cta-meta{font-size:14px;font-weight:700;color:var(--text)}
@media (max-width:700px){.topbar,.header-card,.tariff-top,.detail-row,.cta-top{flex-direction:column;align-items:flex-start}.hero h1{font-size:32px}.stat-value,.price{font-size:24px}.detail-row strong{text-align:left}.actions-vertical a{width:100%}}

.notice-success{background:var(--ok-bg);color:var(--ok-text)}
.notice-error{background:#fef2f2;color:#991b1b}