:root {
  --bg: #0e1016;
  --bg-card: #171a23;
  --bg-soft: #1f2330;
  --text: #e6e8ef;
  --text-dim: #9aa0b0;
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
  --grey: #6b7280;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.hidden { display: none !important; }

/* ---------- topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid #262b3a;
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--accent-bright); }
.topbar-right { display: flex; align-items: center; gap: 12px; font-size: 14px; flex-wrap: wrap; justify-content: flex-end; }
.username { color: var(--text-dim); }
.link { color: var(--accent-bright); text-decoration: none; }
.link:hover { text-decoration: underline; }
.btn-ghost {
  background: transparent; border: 1px solid #3a4157; color: var(--text);
  border-radius: 8px; padding: 6px 14px; cursor: pointer; font-size: 14px;
  transition: border-color .2s;
}
.btn-ghost:hover { border-color: var(--accent); }

/* ---------- dry run banner ---------- */
.dry-run-banner {
  background: #423407; color: var(--warn);
  text-align: center; padding: 8px 12px; font-weight: 600; font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- login ---------- */
.login-page { display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--bg-card);
  border-radius: var(--radius); padding: 32px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  border: 1px solid #262b3a;
}
.login-logo { color: var(--accent); text-align: center; margin-bottom: 8px; }
.login-card h1 { text-align: center; font-size: 20px; font-weight: 600; margin-bottom: 24px; line-height: 1.3; }
.login-card label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 14px; }
.login-card input {
  display: block; width: 100%; margin-top: 6px;
  background: var(--bg-soft); border: 1px solid #303650; color: var(--text);
  border-radius: 8px; padding: 11px 12px; font-size: 15px; outline: none;
  transition: border-color .2s;
}
.login-card input:focus { border-color: var(--accent); }
.error-text { color: var(--danger); font-size: 13px; margin-bottom: 12px; text-align: center; }

.btn-primary {
  width: 100%; background: var(--accent); color: #fff; border: none;
  border-radius: 8px; padding: 12px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background .2s, transform .1s;
}
.btn-primary:hover { background: var(--accent-bright); }
.btn-primary:active { transform: scale(.98); }
.btn-primary:disabled { background: #4b4266; cursor: not-allowed; }

/* ---------- main page ---------- */
.main-center {
  display: flex; flex-direction: column; align-items: center;
  padding: 28px 16px 48px; gap: 22px;
}
.conn-status { min-height: 22px; font-size: 14px; color: var(--danger); font-weight: 600; }
.conn-status.ok { color: var(--ok); font-weight: 400; }

.power-btn {
  width: 220px; height: 220px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: var(--bg-card); border: 3px solid #3a4157;
  color: var(--grey); cursor: pointer; user-select: none;
  transition: transform .15s, border-color .3s, box-shadow .3s, color .3s;
  -webkit-tap-highlight-color: transparent;
}
@media (min-width: 768px) {
  .power-btn { width: 260px; height: 260px; }
  .power-btn:not(:disabled):hover { transform: scale(1.04); }
}
.power-btn:disabled { cursor: not-allowed; }

.power-btn.state-on {
  color: var(--accent-bright); border-color: var(--accent);
  box-shadow: 0 0 24px rgba(139,92,246,.55), 0 0 80px rgba(139,92,246,.28),
              inset 0 0 30px rgba(139,92,246,.15);
  animation: glow 2.4s ease-in-out infinite;
}
@keyframes glow {
  0%, 100% { box-shadow: 0 0 24px rgba(139,92,246,.55), 0 0 80px rgba(139,92,246,.28), inset 0 0 30px rgba(139,92,246,.15); }
  50% { box-shadow: 0 0 34px rgba(139,92,246,.75), 0 0 110px rgba(139,92,246,.4), inset 0 0 40px rgba(139,92,246,.22); }
}
.power-btn.state-off { color: var(--grey); border-color: #3a4157; }
.power-btn.state-busy {
  color: var(--warn); border-color: var(--warn);
  animation: pulse 1.1s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .72; transform: scale(.985); }
}
.power-btn.state-error { color: var(--grey); border-color: #3a4157; opacity: .65; }

.power-icon { flex-shrink: 0; }
.power-label { font-size: 17px; font-weight: 700; letter-spacing: .06em; }
.power-sub { font-size: 12px; color: var(--warn); }

.timer { text-align: center; }
.timer-caption { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.timer-value { font-size: 30px; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent-bright); }
.group-info { font-size: 13px; color: var(--text-dim); text-align: center; }

/* ---------- admin ---------- */
.admin-main { max-width: 1200px; margin: 0 auto; padding: 20px 14px 60px; }
.indicators { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.indicator {
  display: flex; align-items: center; gap: 7px;
  background: var(--bg-card); border: 1px solid #262b3a; border-radius: 999px;
  padding: 6px 14px; font-size: 13px; color: var(--text-dim);
}
.indicator .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--grey); }
.indicator.ok .dot { background: var(--ok); box-shadow: 0 0 8px rgba(34,197,94,.7); }
.indicator.err .dot { background: var(--danger); box-shadow: 0 0 8px rgba(239,68,68,.7); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid #262b3a; margin-bottom: 18px; }
.tab {
  background: none; border: none; color: var(--text-dim); font-size: 15px;
  padding: 10px 18px; cursor: pointer; border-bottom: 2px solid transparent;
}
.tab.active { color: var(--accent-bright); border-bottom-color: var(--accent); }

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px; flex-wrap: wrap;
}
.panel-header h2 { font-size: 17px; font-weight: 600; }
.panel-header .btn-primary { width: auto; padding: 10px 20px; }
.group-summary { font-size: 14px; color: var(--text-dim); }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid #262b3a; margin-bottom: 22px; }
.ports-table { width: 100%; border-collapse: collapse; font-size: 13px; background: var(--bg-card); min-width: 640px; }
.ports-table th, .ports-table td { padding: 10px 10px; text-align: left; border-bottom: 1px solid #22263440; white-space: nowrap; }
.ports-table th { color: var(--text-dim); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; background: var(--bg-soft); }
.ports-table tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.up { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.down { background: rgba(107,114,128,.18); color: var(--grey); }
.badge.unknown { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.protected { background: rgba(239,68,68,.15); color: var(--danger); }
.badge.SIMULATED { background: rgba(245,158,11,.15); color: var(--warn); }
.badge.SUCCESS { background: rgba(34,197,94,.15); color: var(--ok); }
.badge.FAILED, .badge.TIMEOUT, .badge.PARTIAL, .badge.EXPIRED, .badge.APPLIED_NOT_SAVED {
  background: rgba(239,68,68,.15); color: var(--danger);
}

.switch { position: relative; display: inline-block; width: 42px; height: 22px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; inset: 0; border-radius: 999px; cursor: pointer;
  background: #3a4157; transition: background .2s;
}
.slider::before {
  content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50%;
  left: 3px; top: 3px; background: #fff; transition: transform .2s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:disabled + .slider { opacity: .45; cursor: not-allowed; }

.inline-form { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; align-items: center; }
.inline-form input, .inline-form select {
  background: var(--bg-soft); border: 1px solid #303650; color: var(--text);
  border-radius: 8px; padding: 9px 12px; font-size: 14px; outline: none;
}
.inline-form .btn-primary { width: auto; padding: 9px 18px; }
.msg { font-size: 13px; margin-top: 8px; min-height: 18px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

.mfa-box { background: var(--bg-card); border: 1px solid #262b3a; border-radius: var(--radius); padding: 18px; margin-top: 24px; }
.mfa-box h3 { font-size: 15px; margin-bottom: 10px; }
.mfa-box code { display: block; background: var(--bg-soft); padding: 10px; border-radius: 8px; margin: 10px 0; font-size: 15px; letter-spacing: .08em; word-break: break-all; }

.lock-icon { color: var(--danger); font-size: 14px; }

/* ---------- mobile: table -> cards ---------- */
@media (max-width: 720px) {
  .ports-table, .ports-table thead, .ports-table tbody, .ports-table tr, .ports-table td { display: block; }
  .ports-table { min-width: 0; background: transparent; }
  .ports-table thead { display: none; }
  .ports-table tr {
    background: var(--bg-card); border: 1px solid #262b3a; border-radius: var(--radius);
    margin-bottom: 10px; padding: 10px 12px;
  }
  .ports-table td { border: none; padding: 5px 0; white-space: normal; display: flex; justify-content: space-between; align-items: center; gap: 10px; }
  .ports-table td::before { content: attr(data-label); color: var(--text-dim); font-size: 12px; }
  .ports-table td.no-label::before { content: none; }
  .panel-header { flex-direction: column; align-items: stretch; }
}