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

:root {
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --border: #e2e5e9;
  --text: #1a1d21;
  --text-secondary: #5e6470;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --radius: 8px;
}

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

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-box h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.login-box .subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 14px;
}

.login-box input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  margin-bottom: 12px;
}

.login-box button {
  width: 100%;
  padding: 10px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.login-box button:hover { background: var(--primary-hover); }

.error { color: var(--danger); font-size: 13px; margin-top: 12px; }

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 20px; font-weight: 700; }

.header-right { display: flex; align-items: center; gap: 16px; }

.btn-text {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
}

.btn-text:hover { color: var(--text); }

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  background: #e0f2e9;
  color: var(--success);
}

.badge.running { background: #fef3c7; color: var(--warning); }
.badge.error { background: #fde8e8; color: var(--danger); }
.badge.success { background: #e0f2e9; color: var(--success); }

/* Main */
main { max-width: 1200px; margin: 0 auto; padding: 24px 32px; }

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 16px;
}

.card h2 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

/* Controls */
.controls-row {
  display: flex;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.control-group { display: flex; flex-direction: column; gap: 6px; }

.control-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-row { display: flex; gap: 8px; }

.input-row input {
  width: 80px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}

.btn-secondary {
  padding: 8px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.btn-secondary:hover { background: var(--bg); }

.btn-primary {
  padding: 8px 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-large { padding: 12px 28px; font-size: 15px; }

.status-text { font-size: 12px; color: var(--text-secondary); min-height: 18px; }

/* Current Run */
.run-stats { display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-value { font-size: 24px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-secondary); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

.tab-content { display: none; border-top: none; border-radius: 0 0 var(--radius) var(--radius); }
.tab-content.active { display: block; }

/* Filter row */
.filter-row { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }

.filter-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card-bg);
  font-size: 12px;
  cursor: pointer;
}

.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; font-weight: 600; color: var(--text-secondary); border-bottom: 1px solid var(--border); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
td { padding: 10px 12px; border-bottom: 1px solid var(--bg); }
tr:hover td { background: var(--bg); }

.btn-delete {
  padding: 3px 10px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
}

.btn-delete:hover { border-color: var(--danger); color: var(--danger); background: #fde8e8; }

.empty-text { text-align: center; color: var(--text-secondary); padding: 32px; font-size: 14px; }

/* Email Preview */
.preview-header {
  margin-bottom: 12px;
  font-size: 13px;
}

.preview-header a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.preview-header a:hover { text-decoration: underline; }

.preview-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.preview-row:hover { background: var(--bg); }

.preview-row input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.preview-info { flex: 1; min-width: 0; }

.preview-subject {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.preview-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.attach-badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 11px;
  color: var(--text-secondary);
}

.confidence-tag {
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.confidence-tag.success { background: #e0f2e9; color: var(--success); }
.confidence-tag.running { background: #fef3c7; color: var(--warning); }
.confidence-tag.error { background: #fde8e8; color: var(--danger); }

.preview-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

/* Responsive */
@media (max-width: 768px) {
  main { padding: 16px; }
  header { padding: 12px 16px; }
  .controls-row { flex-direction: column; gap: 16px; }
  .run-stats { flex-wrap: wrap; gap: 16px; }
}