:root {
    --bg: #0f1221; --panel: #191d33; --line: #2a2f4a; --text: #e7e9f3;
    --muted: #9aa0be; --accent: #5b8cff; --error: #ff6b6b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
.muted { color: var(--muted); }
.ok { color: #4bd47b; }
.danger { color: var(--error); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.topbar { display: flex; align-items: center; gap: 12px; padding: 12px 20px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .spacer { flex: 1; }
.nav { display: flex; gap: 6px; margin-left: 14px; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-size: 14px; }
.nav a.active, .nav a:hover { color: var(--text); background: var(--bg); }

.banner-ok { margin: 12px 0; padding: 12px 14px; background: #16301c; border: 1px solid #2a5a34; border-radius: 8px; color: #a8e6b0; }
.banner-error { margin: 12px 0; padding: 12px 14px; background: #3a1e1e; border: 1px solid #6a2a2a; border-radius: 8px; color: #ffb4b4; }

.upload-form { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.upload-form input[type=text] { padding: 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font-size: 14px; }
.file-label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; background: #0b0e1a; padding: 2px 6px; border-radius: 5px; }
.container { max-width: 1000px; margin: 24px auto; padding: 0 20px; }

button { background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 10px 16px; font-size: 15px; cursor: pointer; }
button.link { background: none; color: var(--muted); padding: 0; }
button.link.danger { color: var(--error); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; }
.row-actions { display: flex; gap: 12px; }
.row-actions form { display: inline; }

.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px 16px; margin-top: 12px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.form-grid input { padding: 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font-size: 14px; }
.form-grid .form-actions { grid-column: 1 / -1; }

/* --- Лендинг --- */
.lang { display: flex; gap: 4px; margin-right: 14px; }
.lang a { color: var(--muted); text-decoration: none; padding: 4px 8px; border-radius: 6px; font-size: 13px; }
.lang a.active, .lang a:hover { color: var(--text); background: var(--bg); }
.seller-link { color: var(--muted); text-decoration: none; font-size: 13px; }
.seller-link:hover { color: var(--text); }

.landing main { max-width: 980px; margin: 0 auto; padding: 0 20px; }
.hero { text-align: center; padding: 64px 0 40px; }
.hero h1 { font-size: 40px; line-height: 1.1; margin: 0 0 16px; }
.hero-sub { font-size: 18px; color: var(--muted); max-width: 640px; margin: 0 auto 32px; }

.install-box {
    max-width: 760px; margin: 0 auto; text-align: left;
    background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px;
}
.install-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; font-weight: 600; }
.copy-btn { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
#cmd {
    display: block; background: #0b0e1a; border: 1px solid var(--line); border-radius: 8px;
    padding: 14px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
    color: #9fe0a0; white-space: pre-wrap; word-break: break-all;
}
.install-note { margin-top: 10px; font-size: 13px; }

.section { padding: 32px 0; }
.section h2 { text-align: center; margin-bottom: 20px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card.feature h3 { margin: 0 0 8px; font-size: 17px; }
.card.feature p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.pricing .card { text-align: center; }
.footer { text-align: center; padding: 40px 20px; font-size: 13px; }

/* --- Вход/регистрация --- */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card { width: 320px; display: flex; flex-direction: column; gap: 12px; }
.login-card h1 { margin: 0; }
.login-card label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.login-card input { padding: 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font-size: 15px; }
.error { color: var(--error); }
.login-card a { color: var(--accent); }

/* --- Кабинет / тарифы --- */
.card.tariff { text-align: center; }
.card.tariff .price { font-size: 28px; font-weight: 700; margin: 8px 0 2px; }
.assign { display: flex; gap: 8px; align-items: center; }
.assign select { padding: 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
.install-cmd { display: block; margin-top: 8px; padding: 12px; background: #0b0e1a; border: 1px solid var(--line); border-radius: 8px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; white-space: pre-wrap; word-break: break-all; color: #9fe0a0; }

@media (max-width: 720px) {
    .cards { grid-template-columns: 1fr; }
    .hero h1 { font-size: 30px; }
}