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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2d3148;
  --accent: #4f6ef7;
  --accent-hover: #3d5be8;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

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

/* Nav */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  height: 56px;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 100;
}
nav .brand {
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  letter-spacing: -0.3px;
}
nav .brand span { color: var(--accent); }
nav .nav-links { display: flex; gap: 4px; flex: 1; }
nav .nav-links a {
  padding: 6px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
nav .nav-links a:hover,
nav .nav-links a.active {
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
}
nav .nav-actions { margin-left: auto; }
nav .nav-actions button {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: border-color 0.15s, color 0.15s;
}
nav .nav-actions button:hover { border-color: var(--accent); color: var(--text); }

/* Layout */
.page { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }
.page-header { margin-bottom: 24px; display: flex; align-items: center; justify-content: space-between; }
.page-header h1 { font-size: 22px; font-weight: 700; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 32px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.card .card-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.card .card-value { font-size: 28px; font-weight: 700; }

/* Tables */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--surface2);
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

/* Badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger  { background: rgba(239,68,68,0.15);  color: var(--danger); }
.badge-muted   { background: rgba(148,163,184,0.15); color: var(--text-muted); }
.badge-accent  { background: rgba(79,110,247,0.15);  color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background 0.15s, opacity 0.15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Forms */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text-muted); }
input[type="text"],
input[type="password"],
input[type="url"],
input[type="email"],
input[type="number"],
input[type="time"],
select,
textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }

/* Search bar */
.search-bar { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.search-bar input { flex: 1; min-width: 200px; }
.search-bar select { width: 160px; }
.search-bar .btn { white-space: nowrap; }

/* Login */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 380px;
  box-shadow: var(--shadow);
}
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box p { color: var(--text-muted); font-size: 13px; margin-bottom: 28px; }
.login-box .btn { width: 100%; justify-content: center; padding: 10px; font-size: 15px; margin-top: 8px; }

/* Wizard */
.wizard { max-width: 640px; margin: 0 auto; }
.wizard-steps {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.wizard-step {
  flex: 1;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  background: var(--surface2);
  color: var(--text-muted);
  border-right: 1px solid var(--border);
}
.wizard-step:last-child { border-right: none; }
.wizard-step.active { background: var(--accent); color: #fff; }
.wizard-step.done { background: rgba(34,197,94,0.15); color: var(--success); }
.wizard-panel { display: none; }
.wizard-panel.visible { display: block; }
.wizard-nav { display: flex; justify-content: space-between; margin-top: 24px; }

/* Alert / Banner */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); color: var(--success); }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.2); color: var(--warning); }
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.2);  color: var(--danger); }
.alert-info    { background: rgba(79,110,247,0.1);  border: 1px solid rgba(79,110,247,0.2);  color: var(--accent); }

/* Spinner */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Mapping table */
.mapping-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.mapping-table th { font-size: 11px; color: var(--text-muted); padding: 6px 10px; background: var(--surface2); border-bottom: 1px solid var(--border); text-align: left; }
.mapping-table td { padding: 6px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
.mapping-table select { padding: 4px 8px; font-size: 12px; }

/* Highlight lowest price */
.lowest-price { color: var(--success); font-weight: 600; }

/* Responsive */
@media (max-width: 640px) {
  .page { padding: 16px; }
  .cards { grid-template-columns: 1fr 1fr; }
  nav { padding: 0 16px; gap: 16px; }
}