:root {
  --bg: #0e1320;
  --bg-card: #161c2c;
  --bg-card-2: #1c2336;
  --border: #2a3148;
  --text: #e6e9f2;
  --text-dim: #9aa3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --green: #10b981;
  --yellow: #f59e0b;
  --red: #ef4444;
  --gray: #6b7280;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", "Tajawal", "Cairo", "Noto Sans Arabic", sans-serif;
  font-size: 14px; min-height: 100vh; }

header {
  background: linear-gradient(135deg, #1a2236 0%, #131829 100%);
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand .logo { font-size: 32px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 700; }
.brand .sub { margin: 4px 0 0; color: var(--text-dim); font-size: 12px; }

.tabs { display: flex; gap: 4px; background: var(--bg-card-2); padding: 4px; border-radius: 8px; }
.tabs button {
  background: transparent; border: none; color: var(--text-dim);
  padding: 8px 14px; border-radius: 6px; cursor: pointer; font-size: 13px;
  font-family: inherit; transition: 0.15s;
}
.tabs button:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.tabs button.active { background: var(--primary); color: #fff; }

main { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
section[data-pane] { display: none; }
section[data-pane].active { display: block; }

.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px; margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 6px; font-size: 17px; }
.card h3 { margin: 18px 0 10px; font-size: 14px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }
.card p.hint { color: var(--text-dim); font-size: 12.5px; line-height: 1.7; margin: 6px 0 14px; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 12px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }
label.check { flex-direction: row; align-items: center; gap: 8px; cursor: pointer; }
input[type="text"], input[type="number"], textarea, select {
  background: #0c111d; border: 1px solid var(--border); color: var(--text);
  padding: 9px 11px; border-radius: 7px; font-family: inherit; font-size: 13px;
  transition: 0.15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { font-family: monospace; font-size: 11px; line-height: 1.5; resize: vertical; }

.advanced { margin: 12px 0; }
.advanced summary { cursor: pointer; color: var(--primary); font-size: 13px; padding: 6px 0; }
.advanced[open] summary { margin-bottom: 10px; }

button {
  cursor: pointer; font-family: inherit; padding: 9px 16px;
  border-radius: 7px; border: 1px solid transparent; font-size: 13px;
  transition: 0.15s; font-weight: 500;
}
button.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
button.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
button.primary.big { padding: 12px 24px; font-size: 14px; }
button.ghost { background: transparent; color: var(--text-dim); border-color: var(--border); }
button.ghost:hover { background: var(--bg-card-2); color: var(--text); }
button.danger { background: var(--red); color: #fff; border-color: var(--red); }
button.danger:hover { background: #dc2626; }

.actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* anchor styled as a button (e.g. download template link) */
a.btn-link {
  display: inline-block; cursor: pointer; padding: 9px 16px; border-radius: 7px;
  border: 1px solid transparent; font-size: 13px; font-weight: 500;
  text-decoration: none; transition: 0.15s;
}
a.btn-link.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
a.btn-link.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

.hint-inline { color: var(--text-dim); font-size: 11px; margin-right: 6px; }
.proxy-warn {
  background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.4);
  color: #fcd34d; padding: 10px 14px; border-radius: 7px; font-size: 12.5px;
  line-height: 1.7; margin: 10px 0;
}

.admin-picker { display: flex; flex-direction: column; gap: 8px; }
.admin-picker .row {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  background: var(--bg-card-2); border-radius: 8px; border: 1px solid var(--border);
}
.admin-picker .row.disabled { opacity: 0.5; }

.run-summary { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip {
  display: inline-block; padding: 5px 11px; border-radius: 999px;
  background: var(--bg-card-2); border: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim);
}
.chip.green { background: rgba(16, 185, 129, 0.15); color: var(--green); border-color: rgba(16, 185, 129, 0.3); }
.chip.yellow { background: rgba(245, 158, 11, 0.15); color: var(--yellow); border-color: rgba(245, 158, 11, 0.3); }
.chip.red { background: rgba(239, 68, 68, 0.15); color: var(--red); border-color: rgba(239, 68, 68, 0.3); }
.chip.gray { background: rgba(107, 114, 128, 0.15); color: var(--gray); border-color: rgba(107, 114, 128, 0.3); }
.chip.blue { background: rgba(59, 130, 246, 0.15); color: var(--primary); border-color: rgba(59, 130, 246, 0.3); }

.log {
  background: #06080f; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; max-height: 540px; overflow-y: auto;
  font-family: "JetBrains Mono", "Fira Code", monospace; font-size: 12px; line-height: 1.6;
}
.log .line { padding: 3px 4px; border-radius: 4px; word-break: break-word; }
.log .line.info { color: var(--text-dim); }
.log .line.success { color: var(--green); }
.log .line.warn { color: var(--yellow); }
.log .line.error { color: var(--red); }
.log .line.heading { color: var(--primary); font-weight: 700; margin-top: 8px; }

.admin-item {
  background: var(--bg-card-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; margin-bottom: 10px;
  display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center;
}
.admin-item .status-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--gray);
}
.admin-item .status-dot.ok { background: var(--green); box-shadow: 0 0 8px var(--green); }
.admin-item .status-dot.expired { background: var(--red); box-shadow: 0 0 8px var(--red); }
.admin-item .status-dot.invalid { background: var(--yellow); }
.admin-item h4 { margin: 0 0 4px; font-size: 14px; }
.admin-item .meta { color: var(--text-dim); font-size: 11.5px; line-height: 1.6; }
.admin-item .controls { display: flex; gap: 6px; }

.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px; max-width: 600px; width: 100%; max-height: 90vh; overflow-y: auto;
  position: relative;
}
.modal-card .close {
  position: absolute; top: 12px; left: 12px; background: transparent; border: none;
  color: var(--text-dim); font-size: 22px; cursor: pointer;
}
.modal-card label { margin-bottom: 12px; }
.modal-card .actions { margin-top: 0; }
.error { color: var(--red); margin-top: 10px; font-size: 12px; }

.reports-row {
  padding: 10px 14px; background: var(--bg-card-2); border-radius: 7px;
  border: 1px solid var(--border); margin-bottom: 6px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.reports-row:hover { border-color: var(--primary); }
.report-viewer { margin-top: 16px; }
.report-viewer pre {
  background: #06080f; padding: 14px; border-radius: 8px;
  font-size: 11px; max-height: 600px; overflow: auto;
  border: 1px solid var(--border); white-space: pre-wrap; word-break: break-word;
}

/* Setup card (admins tab onboarding) */
.setup-card {
  background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(239,68,68,0.05));
  border-left: 4px solid var(--yellow);
}
.setup-card .steps {
  margin: 12px 0 0; padding-right: 22px; line-height: 1.9;
  color: var(--text); font-size: 13px;
}
.setup-card .steps li { margin: 4px 0; }
.setup-card code {
  background: var(--bg-card-2); padding: 1px 6px; border-radius: 4px;
  font-size: 12px; color: var(--green);
}

/* Proxy modal table */
.proxy-table {
  width: 100%; border-collapse: collapse; margin: 12px 0;
}
.proxy-table th, .proxy-table td {
  padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.proxy-table th {
  color: var(--text-dim); font-weight: 600; width: 130px;
}
.proxy-table code {
  background: var(--bg-card-2); padding: 3px 8px; border-radius: 4px;
  font-size: 12px; color: var(--green); display: inline-block;
  max-width: 100%;
}

@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  header { padding: 14px; }
  main { padding: 0 12px; }
}