/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #22263a;
  --border: #2e3150;
  --accent: #25d366;
  --accent2: #128c7e;
  --danger: #e74c3c;
  --warn: #f39c12;
  --info: #3498db;
  --text: #e8eaf0;
  --muted: #8890b0;
  --radius: 10px;
  --font: 'Inter', system-ui, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

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

/* ── Layout ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: #000;
}

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.nav-section { padding: 0 12px; margin-bottom: 4px; }
.nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 8px 8px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13.5px;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 2px;
}

.nav-item:hover { background: var(--bg3); color: var(--text); text-decoration: none; }
.nav-item.active { background: rgba(37,211,102,0.12); color: var(--accent); font-weight: 600; }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title { font-size: 15px; font-weight: 600; color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.content { padding: 28px; flex: 1; }

/* ── Cards ── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

/* ── Stats Grid ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--text); }
.stat-sub { font-size: 11px; color: var(--muted); margin-top: 4px; }
.stat-card.green .stat-value { color: var(--accent); }
.stat-card.red .stat-value { color: var(--danger); }
.stat-card.blue .stat-value { color: var(--info); }
.stat-card.warn .stat-value { color: var(--warn); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #20c55a; }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #2e3250; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c0392b; }
.btn-warn { background: var(--warn); color: #000; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Badge / Status ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-draft { background: rgba(136,144,176,0.15); color: var(--muted); }
.badge-queued { background: rgba(52,152,219,0.15); color: var(--info); }
.badge-running { background: rgba(37,211,102,0.15); color: var(--accent); }
.badge-paused { background: rgba(243,156,18,0.15); color: var(--warn); }
.badge-done { background: rgba(37,211,102,0.1); color: #20c55a; }
.badge-failed { background: rgba(231,76,60,0.15); color: var(--danger); }
.badge-connected { background: rgba(37,211,102,0.15); color: var(--accent); }
.badge-pending { background: rgba(243,156,18,0.15); color: var(--warn); }
.badge-disconnected { background: rgba(231,76,60,0.15); color: var(--danger); }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; }

thead th {
  background: var(--bg3);
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

tbody tr { border-bottom: 1px solid var(--border); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }
tbody td { padding: 12px 16px; font-size: 13px; color: var(--text); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.05em; }

.form-control {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  transition: border-color 0.15s;
  outline: none;
}

.form-control:focus { border-color: var(--accent); }
.form-control::placeholder { color: var(--muted); }

textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }

.form-hint { font-size: 11px; color: var(--muted); margin-top: 4px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Progress bar ── */
.progress { height: 6px; background: var(--bg3); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 99px; transition: width 0.4s; }
.progress-bar.red { background: var(--danger); }

/* ── Alerts ── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3); color: var(--accent); }
.alert-danger { background: rgba(231,76,60,0.1); border: 1px solid rgba(231,76,60,0.3); color: var(--danger); }
.alert-warn { background: rgba(243,156,18,0.1); border: 1px solid rgba(243,156,18,0.3); color: var(--warn); }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-title { font-size: 17px; font-weight: 700; margin-bottom: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }

/* ── QR Code ── */
.qr-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: var(--bg3);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.qr-wrap img { width: 200px; height: 200px; border-radius: 8px; background: white; padding: 8px; }
.qr-instructions { font-size: 12px; color: var(--muted); text-align: center; max-width: 260px; }

/* ── Empty state ── */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}
.empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-title { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.empty-sub { font-size: 13px; margin-bottom: 20px; }

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.page-header h1 { font-size: 20px; font-weight: 700; }
.page-header p { color: var(--muted); font-size: 13px; margin-top: 2px; }

/* ── Login ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
}
.login-logo {
  text-align: center;
  margin-bottom: 28px;
}
.login-logo .icon {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  color: #000;
  margin: 0 auto 12px;
}
.login-logo h1 { font-size: 20px; font-weight: 700; }
.login-logo p { color: var(--muted); font-size: 13px; }

/* ── Pulse animation (status running) ── */
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.pulse { animation: pulse 1.5s infinite; }

/* ── Utility ── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 12px; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.font-bold { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }