:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fafc;
    --text: #122033;
    --muted: #64748b;
    --line: #dbe4ef;
    --primary: #5b35f2;
    --primary-2: #7c3aed;
    --cyan: #1fcfd1;
    --success: #15803d;
    --success-bg: #ecfdf3;
    --warning: #a16207;
    --warning-bg: #fffbeb;
    --danger: #b42318;
    --danger-bg: #fff1f2;
    --shadow: 0 26px 70px rgba(15, 23, 42, .13);
    --radius: 20px;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 0%, rgba(31, 207, 209, .17), transparent 31rem),
        radial-gradient(circle at 94% 5%, rgba(91, 53, 242, .16), transparent 34rem),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.shell { width: min(1160px, calc(100% - 32px)); margin: 0 auto; padding: 32px 0 54px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.brand { display: flex; align-items: center; gap: 13px; font-weight: 850; font-size: 21px; letter-spacing: -.03em; }
.logo-mark {
    width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center;
    color: #fff; font-weight: 900; background: linear-gradient(135deg, var(--cyan), var(--primary) 68%);
    box-shadow: 0 12px 28px rgba(91, 53, 242, .28);
}
.version { font-size: 12px; color: var(--muted); border: 1px solid var(--line); background: rgba(255,255,255,.72); border-radius: 999px; padding: 7px 11px; }
.grid { display: grid; grid-template-columns: 286px minmax(0, 1fr); gap: 24px; align-items: start; }
.sidebar, .card { background: rgba(255,255,255,.92); border: 1px solid rgba(219, 228, 239, .9); box-shadow: var(--shadow); }
.sidebar { border-radius: var(--radius); padding: 20px; position: sticky; top: 20px; }
.steps { display: grid; gap: 7px; }
.step { display: grid; grid-template-columns: 34px 1fr; gap: 11px; align-items: center; padding: 10px; border-radius: 13px; color: var(--muted); }
.step .number { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 11px; border: 1px solid var(--line); background: var(--surface-soft); font-weight: 800; font-size: 13px; }
.step strong { display: block; color: inherit; font-size: 14px; }
.step small { display: block; font-size: 11px; opacity: .82; }
.step.active { color: var(--primary); background: rgba(91,53,242,.08); }
.step.active .number { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.step.done { color: var(--success); }
.step.done .number { color: var(--success); border-color: #bbf7d0; background: var(--success-bg); }
.side-note { margin-top: 18px; padding: 14px; border-radius: 14px; background: #f8fafc; color: var(--muted); font-size: 12px; }
.card { border-radius: 24px; overflow: hidden; }
.card-head { padding: 30px 32px 22px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(248,250,252,.9), rgba(255,255,255,.9)); }
.eyebrow { color: var(--primary); font-size: 12px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 7px 0 6px; font-size: clamp(28px, 4vw, 43px); line-height: 1.08; letter-spacing: -.045em; }
h2 { margin: 0 0 10px; font-size: 23px; letter-spacing: -.025em; }
h3 { margin: 0 0 8px; font-size: 16px; }
.lead { margin: 0; color: var(--muted); max-width: 780px; font-size: 15px; }
.card-body { padding: 30px 32px; }
.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 20px 32px; border-top: 1px solid var(--line); background: var(--surface-soft); }
.btn { appearance: none; border: 0; border-radius: 13px; padding: 12px 18px; font: inherit; font-size: 14px; font-weight: 800; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease; }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 12px 24px rgba(91,53,242,.24); }
.btn-secondary { color: var(--text); background: #fff; border: 1px solid var(--line); }
.btn-danger { color: #fff; background: var(--danger); }
.btn[disabled] { cursor: not-allowed; opacity: .5; transform: none; box-shadow: none; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field { display: grid; gap: 7px; }
.field.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 760; }
.hint { color: var(--muted); font-size: 11px; margin-top: -2px; }
input, select, textarea {
    width: 100%; border: 1px solid #cdd8e6; border-radius: 12px; background: #fff; color: var(--text);
    padding: 11px 12px; font: inherit; font-size: 14px; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(91,53,242,.10); }
textarea { min-height: 88px; resize: vertical; }
fieldset { border: 1px solid var(--line); border-radius: 17px; padding: 18px; margin: 0 0 20px; }
legend { padding: 0 9px; color: var(--text); font-weight: 850; font-size: 14px; }
.check-row { display: flex; align-items: flex-start; gap: 11px; border: 1px solid var(--line); background: var(--surface-soft); border-radius: 14px; padding: 14px; }
.check-row input { width: 18px; height: 18px; margin-top: 2px; }
.check-row label { font-weight: 650; }
.alert { border-radius: 14px; padding: 14px 16px; margin-bottom: 20px; border: 1px solid transparent; font-size: 13px; }
.alert-danger { color: var(--danger); background: var(--danger-bg); border-color: #fecdd3; }
.alert-success { color: var(--success); background: var(--success-bg); border-color: #bbf7d0; }
.alert-warning { color: var(--warning); background: var(--warning-bg); border-color: #fde68a; }
.alert ul { margin: 8px 0 0; padding-left: 20px; }
.requirements { display: grid; gap: 9px; }
.req { display: grid; grid-template-columns: 28px minmax(0,1fr) auto; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 13px; padding: 11px 13px; background: #fff; }
.req .icon { width: 27px; height: 27px; display: grid; place-items: center; border-radius: 9px; font-weight: 900; }
.req.ok .icon { color: var(--success); background: var(--success-bg); }
.req.fail .icon { color: var(--danger); background: var(--danger-bg); }
.req strong { display: block; font-size: 13px; }
.req small { color: var(--muted); font-size: 11px; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: 10px; font-weight: 850; text-transform: uppercase; letter-spacing: .05em; }
.badge-ok { color: var(--success); background: var(--success-bg); }
.badge-fail { color: var(--danger); background: var(--danger-bg); }
.summary { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.summary-item { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-soft); }
.summary-item span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 800; }
.summary-item strong { display: block; margin-top: 5px; font-size: 14px; overflow-wrap: anywhere; }
.plan-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.plan-table th, .plan-table td { padding: 11px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.plan-table th { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.plan-table input { min-width: 100px; }
.plan-name { font-weight: 900; }
.codebox { position: relative; border: 1px solid #273449; background: #111827; color: #e5edf8; border-radius: 14px; padding: 15px; overflow: auto; font: 12px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.log { max-height: 440px; }
.copy-line { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 10px; align-items: center; }
.copy-line .codebox { margin: 0; }
.copy-btn { padding: 10px 12px; }
.credential { border: 1px solid #c4b5fd; background: #f5f3ff; border-radius: 16px; padding: 18px; }
.credential + .credential { margin-top: 12px; }
.credential span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 850; }
.credential strong { display: block; margin-top: 5px; font: 700 15px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
.divider { height: 1px; background: var(--line); margin: 24px 0; }
.muted { color: var(--muted); }
.text-success { color: var(--success); }
.kpi-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin: 18px 0 0; }
.kpi { padding: 16px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.kpi strong { display: block; font-size: 22px; letter-spacing: -.035em; }
.kpi span { display: block; color: var(--muted); font-size: 11px; }
.footer-note { text-align: center; color: var(--muted); font-size: 11px; margin-top: 18px; }
@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .steps { grid-template-columns: repeat(6, minmax(80px,1fr)); overflow-x: auto; }
    .step { grid-template-columns: 30px 1fr; min-width: 150px; }
    .side-note { display: none; }
}
@media (max-width: 680px) {
    .shell { width: min(100% - 20px, 1160px); padding-top: 16px; }
    .topbar { align-items: flex-start; }
    .card-head, .card-body, .card-foot { padding-left: 18px; padding-right: 18px; }
    .form-grid, .form-grid.three, .summary, .kpi-row { grid-template-columns: 1fr; }
    .card-foot { align-items: stretch; flex-direction: column-reverse; }
    .btn { width: 100%; }
    .plan-scroll { overflow-x: auto; }
    .plan-table { min-width: 720px; }
    .req { grid-template-columns: 28px 1fr; }
    .req .badge { grid-column: 2; justify-self: start; }
}