:root {
  --bg: #0f1420;
  --bg-card: #171d2b;
  --bg-elev: #1e2636;
  --border: #2a3346;
  --text: #e6ebf5;
  --muted: #8b96ab;
  --primary: #4f7cff;
  --primary-hov: #6a90ff;
  --pay: #23a55a;
  --danger: #e0555f;
  --overdue: #e0555f;
  --soon: #e0a13a;
  --ok: #23a55a;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1080px; margin: 0 auto; padding: 24px 20px 60px; }

/* topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; background: var(--bg-card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 18px; font-weight: 700; color: var(--text); }
.brand:hover { text-decoration: none; }
.topbar nav { display: flex; align-items: center; gap: 12px; }
.user { color: var(--muted); font-size: 14px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 8px; font-size: 14px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  transition: .12s; white-space: nowrap;
}
.btn:hover { text-decoration: none; border-color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hov); }
.btn-pay { background: var(--pay); border-color: var(--pay); color: #fff; }
.btn-pay:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; }
.btn-danger { background: transparent; border-color: transparent; color: var(--danger); padding: 7px 9px; }
.btn-danger:hover { background: rgba(224,85,95,.12); border-color: var(--danger); }
.btn-block { width: 100%; justify-content: center; margin-top: 8px; }
form { margin: 0; }

/* cards */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.muted { color: var(--muted); }
.small { font-size: 12px; }
.empty { text-align: center; }
.empty .btn { margin-top: 10px; }

/* flash */
.flash { padding: 11px 14px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; border: 1px solid; }
.flash-ok { background: rgba(35,165,90,.12); border-color: var(--ok); color: #b8f0cf; }
.flash-error { background: rgba(224,85,95,.14); border-color: var(--danger); color: #ffd7da; }

/* overview */
.overview { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.ov-card {
  flex: 1; min-width: 200px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.ov-next { border-left: 3px solid var(--primary); }
.ov-spend { border-left: 3px solid var(--pay); }
.ov-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.ov-value { font-size: 24px; font-weight: 700; margin-top: 6px; }
.ov-sub { font-size: 13px; margin-top: 4px; }

/* creds fieldset */
.creds { border: 1px solid var(--border); border-radius: 10px; padding: 4px 16px 16px; margin-top: 16px; transition: opacity .15s; }
.creds legend { font-size: 13px; color: var(--text); padding: 0 8px; }

.stat-action { display: flex; align-items: center; margin-left: auto; }

/* summary */
.summary { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; align-items: center; }
.stat {
  flex: 1; min-width: 120px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; font-size: 13px; color: var(--muted);
}
.stat .num { display: block; font-size: 26px; font-weight: 700; color: var(--text); }
.stat-overdue { border-left: 3px solid var(--overdue); }
.stat-overdue .num { color: var(--overdue); }
.stat-soon { border-left: 3px solid var(--soon); }
.stat-soon .num { color: var(--soon); }
.stat-ok { border-left: 3px solid var(--ok); }
.stat-ok .num { color: var(--ok); }

/* provider */
.provider-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.provider-title { display: flex; align-items: center; gap: 10px; }
.provider-title h2 { margin: 0; font-size: 19px; }
.provider-links { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 11px; color: var(--muted); background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px;
}
.notes { margin: 8px 0 0; }

/* table */
.table-wrap { overflow-x: auto; margin-top: 14px; }
table.servers { width: 100%; border-collapse: collapse; font-size: 14px; }
table.servers th {
  text-align: left; color: var(--muted); font-weight: 500; font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em; padding: 8px 10px; border-bottom: 1px solid var(--border);
}
table.servers td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.servers tr:last-child td { border-bottom: none; }
.row-overdue { background: rgba(224,85,95,.06); }
.row-soon { background: rgba(224,161,58,.06); }
.row-actions { display: flex; gap: 4px; justify-content: flex-end; }

.date-pill { font-weight: 600; }
.pill-overdue { color: var(--overdue); }
.pill-soon { color: var(--soon); }
.pill-ok { color: var(--ok); }
.pill-none { color: var(--muted); }

.status { font-size: 12px; padding: 2px 8px; border-radius: 6px; border: 1px solid var(--border); }
.status-active { color: var(--ok); }
.status-suspended { color: var(--soon); }
.status-cancelled { color: var(--muted); }

/* forms */
.form-card { max-width: 620px; }
.form-card h1 { margin-top: 0; font-size: 20px; }
label { display: block; margin: 14px 0 0; font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%; margin-top: 5px; padding: 9px 11px; font-size: 14px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { resize: vertical; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.form-actions { display: flex; gap: 10px; margin-top: 22px; }

/* login */
.login-wrap { min-height: 90vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 340px; text-align: center; }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }
.login-card label { text-align: left; }
.alert { background: rgba(224,85,95,.14); border: 1px solid var(--danger); color: #ffd7da;
  padding: 9px 12px; border-radius: 8px; margin-top: 12px; font-size: 14px; }

@media (max-width: 620px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .login-card { width: 100%; }
}