:root {
  color-scheme: dark;
  --bg: #07110f;
  --panel: #0d1d19;
  --panel-2: #10251f;
  --line: #23453b;
  --text: #f4faf7;
  --muted: #9cb8ae;
  --accent: #5ee5ae;
  --amber: #f7bc65;
  --red: #ff817d;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; min-height: 100svh; background: radial-gradient(circle at 85% 0, #17382e 0, transparent 32rem), var(--bg); color: var(--text); font: 16px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select { font: inherit; }
button { border: 0; border-radius: .7rem; padding: .72rem 1rem; background: var(--accent); color: #06120e; font-weight: 750; cursor: pointer; }
button:hover { filter: brightness(1.07); }
button:disabled { opacity: .55; cursor: wait; }
.secondary { color: var(--text); background: transparent; border: 1px solid var(--line); }
.eyebrow { margin: 0 0 .35rem; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .25rem; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.055em; line-height: 1; }
h2 { margin-bottom: 0; font-size: 1.4rem; }

.admin-gate { min-height: 100svh; display: grid; align-items: start; justify-items: center; padding: max(1rem, env(safe-area-inset-top)) 1rem 2rem; }
.login-card { width: min(29rem, 100%); margin-top: min(9svh, 4rem); padding: 2rem; border: 1px solid var(--line); border-radius: 1.2rem; background: rgba(13, 29, 25, .96); box-shadow: var(--shadow); }
.login-card img { width: 9rem; height: auto; margin-bottom: 1.5rem; }
.login-card > p:not(.eyebrow):not(.form-message) { color: var(--muted); }
label { display: grid; gap: .38rem; color: var(--muted); font-size: .9rem; font-weight: 650; }
input, select { width: 100%; min-height: 2.85rem; padding: .68rem .78rem; border: 1px solid var(--line); border-radius: .65rem; background: #091612; color: var(--text); }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.login-card button { width: 100%; margin-top: 1rem; }
.form-message { min-height: 1.5rem; margin: .65rem 0 0; color: var(--red); font-size: .9rem; }

main { width: min(1480px, 100%); margin: 0 auto; padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 3rem; }
.topbar { display: flex; align-items: flex-end; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
.topbar-actions { display: flex; align-items: center; gap: .65rem; }
.sync-label { color: var(--muted); font-size: .9rem; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .85rem; margin-bottom: .85rem; }
.summary-grid article { min-height: 9.2rem; padding: 1.15rem; border: 1px solid var(--line); border-radius: .95rem; background: linear-gradient(145deg, rgba(16, 37, 31, .98), rgba(10, 24, 20, .98)); }
.summary-grid span, .summary-grid small { display: block; color: var(--muted); }
.summary-grid strong { display: block; margin: .5rem 0 .25rem; font-size: 2rem; line-height: 1.1; letter-spacing: -.04em; }
.panel { padding: 1.1rem; border: 1px solid var(--line); border-radius: 1rem; background: rgba(13, 29, 25, .96); box-shadow: var(--shadow); }
.panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.panel-heading small { color: var(--muted); }
.site-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
.site-card { padding: 1rem; border: 1px solid var(--line); border-radius: .85rem; background: var(--panel-2); }
.site-title { display: flex; justify-content: space-between; gap: 1rem; }
.site-title h3 { margin: 0; font-size: 1.1rem; }
.site-url { color: var(--accent); text-decoration: none; font-size: .88rem; }
.status-pill, .stripe-state { display: inline-flex; align-items: center; width: fit-content; padding: .28rem .52rem; border-radius: 999px; background: rgba(94, 229, 174, .12); color: var(--accent); font-size: .78rem; font-weight: 800; }
.status-pill.warn, .stripe-state.warn { background: rgba(247, 188, 101, .12); color: var(--amber); }
.status-pill.error { background: rgba(255, 129, 125, .12); color: var(--red); }
.site-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; margin: 1rem 0 0; }
.site-meta span { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; }
.site-meta strong { display: block; margin-top: .15rem; font-size: .95rem; }
.billing-layout { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(19rem, .7fr); gap: .85rem; margin-top: .85rem; align-items: start; }
.payment-list { display: grid; gap: .65rem; }
.payment-row { display: grid; grid-template-columns: minmax(9rem, 1.4fr) repeat(3, minmax(6rem, .65fr)) auto; align-items: center; gap: .75rem; padding: .8rem; border: 1px solid var(--line); border-radius: .75rem; }
.payment-row strong, .payment-row small { display: block; }
.payment-row small { color: var(--muted); }
.payment-actions { display: flex; gap: .45rem; justify-content: flex-end; }
.payment-actions button { padding: .55rem .7rem; font-size: .86rem; }
.payment-actions .secondary { background: transparent; }
.empty-state { margin: 0; padding: 1.5rem; border: 1px dashed var(--line); border-radius: .8rem; color: var(--muted); text-align: center; }
.payment-form { display: grid; gap: .85rem; }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.compact-panel { position: sticky; top: 1rem; }

@media (max-width: 980px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .site-list { grid-template-columns: 1fr; }
  .billing-layout { grid-template-columns: 1fr; }
  .compact-panel { position: static; }
}
@media (max-width: 680px) {
  .topbar, .panel-heading { align-items: flex-start; flex-direction: column; }
  .topbar-actions { width: 100%; flex-wrap: wrap; }
  .sync-label { width: 100%; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .summary-grid article { min-height: 8rem; }
  .payment-row { grid-template-columns: 1fr 1fr; }
  .payment-row > :first-child, .payment-actions { grid-column: 1 / -1; }
  .payment-actions { justify-content: flex-start; }
}
@media (max-width: 430px) {
  .summary-grid { grid-template-columns: 1fr; }
  .field-pair { grid-template-columns: 1fr; }
}