/* 공통 스타일 */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --warning: #f59e0b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 8px;
}

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

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* 상단바 */
.topbar {
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-user { font-size: 14px; opacity: 0.9; }
.topbar .btn-logout {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
}
.topbar .btn-logout:hover { background: rgba(255,255,255,0.25); }

/* 카드 */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* 테이블 */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  background: #f1f5f9;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
}
tr:hover { background: #f8fafc; }

/* 버튼 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { background: #f1f5f9; }

/* 폼 */
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--text-muted);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

/* 배지 */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}
.badge-assigned { background: #dbeafe; color: #1d4ed8; }
.badge-done, .badge-accepted { background: #dcfce7; color: #16a34a; }
.badge-cancelled, .badge-rejected { background: #fee2e2; color: #dc2626; }
.badge-noncompliant { background: #fef3c7; color: #d97706; }
.badge-scheduled { background: #e0e7ff; color: #4338ca; }
.badge-pending { background: #fef9c3; color: #a16207; }
.badge-default { background: #f1f5f9; color: #64748b; }

/* 알림 */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-error { background: #fee2e2; color: #dc2626; border: 1px solid #fecaca; }
.alert-success { background: #dcfce7; color: #16a34a; border: 1px solid #bbf7d0; }
.alert-info { background: #dbeafe; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* 컨테이너 */
.container { max-width: 1200px; margin: 0 auto; padding: 24px; }

/* 그리드 */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* 빈 상태 */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 14px;
}

/* 로딩 */
.loading {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
}

.back-link {
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
}
.back-link:hover { text-decoration: underline; }

@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .container { padding: 16px; }
}