:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1c2126;
  --text-muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --success: #16a34a;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 320px;
  text-align: center;
}

.login-box h1 { font-size: 1.25rem; margin-bottom: 1.5rem; }

.hidden { display: none !important; }

header.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

header.app-header h1 { font-size: 1.1rem; margin: 0; }

nav.tabs {
  display: flex;
  gap: 0.25rem;
  padding: 0 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

nav.tabs button {
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
}

nav.tabs button.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  font-weight: 600;
}

main {
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.card h2 { margin-top: 0; font-size: 1rem; }

input, select {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  background: var(--surface);
  color: var(--text);
}

button {
  padding: 0.5rem 0.9rem;
  border: none;
  border-radius: 6px;
  background: var(--primary);
  color: white;
  cursor: pointer;
  font-size: 0.9rem;
}

button:hover { background: var(--primary-hover); }
button.secondary { background: var(--border); color: var(--text); }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
}

.badge.ok { background: #dcfce7; color: var(--success); }
.badge.pending { background: #fef3c7; color: #92400e; }
.badge.failed { background: #fee2e2; color: var(--danger); }

.match-list { list-style: none; padding: 0; margin: 0; }
.match-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--border);
}
.match-list li:last-child { border-bottom: none; }
.match-list li.chosen { background: #f0f9ff; }

.toolbar {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--text);
  color: white;
  padding: 0.7rem 1.1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.5rem;
}
.progress-bar > div {
  height: 100%;
  background: var(--primary);
  transition: width 0.2s ease;
}

.text-muted { color: var(--text-muted); font-size: 0.85rem; }