/* CBAM System - Shared Business Style */
:root {
  --primary: #1e3a5f;
  --primary-dark: #162d4a;
  --primary-light: #2c5282;
  --secondary: #4a5568;
  --accent: #2b6cb0;
  --success: #2f855a;
  --danger: #c53030;
  --border: #cbd5e0;
  --border-light: #e2e8f0;
  --border-dark: #a0aec0;
  --text: #1a202c;
  --text-muted: #4a5568;
  --text-light: #718096;
  --bg: #f7f8fa;
  --radius: 4px;
  --radius-sm: 3px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover: 0 2px 8px rgba(0,0,0,0.1);
  --font-sans: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  margin: 0;
  padding: 0;
}

/* Header */
.biz-header {
  background: var(--primary);
  color: white;
  padding: 2rem 0;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.biz-header h1 {
  font-size: 22px;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: white;
}

.biz-header p {
  font-size: 14px;
  opacity: 0.9;
  line-height: 1.6;
  color: white;
}

/* Container */
.biz-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Cards */
.biz-card {
  background: white;
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.biz-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: var(--border-dark);
}

.biz-card h2, .biz-card h3 {
  color: var(--primary);
  font-weight: 600;
}

.biz-card h2 {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--primary);
}

.biz-card h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

/* Section title */
.biz-section-title {
  font-size: 16px;
  color: var(--primary);
  margin: 1.25rem 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--primary);
  font-weight: 600;
}

/* Buttons */
.biz-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  font-family: var(--font-sans);
  transition: background-color 0.15s;
  border: none;
  cursor: pointer;
}

.biz-btn:hover {
  background: var(--primary-dark);
}

.biz-btn:disabled {
  background: var(--border-dark);
  cursor: not-allowed;
}

.biz-btn-success {
  background: var(--success);
}

.biz-btn-success:hover {
  background: #22634a;
}

.biz-btn-danger {
  background: var(--danger);
}

.biz-btn-danger:hover {
  background: #9b2c2c;
}

/* Form elements */
.biz-form-group {
  margin-bottom: 16px;
}

.biz-form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text);
  font-size: 14px;
}

.biz-form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}

.biz-form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.biz-form-control.error {
  border-color: var(--danger);
}

textarea.biz-form-control {
  resize: vertical;
  min-height: 80px;
  line-height: 1.6;
}

/* Tables */
.biz-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 16px;
  background: white;
  border: 1px solid var(--border);
}

.biz-table th,
.biz-table td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: middle;
}

.biz-table th {
  background: #edf2f7;
  font-weight: 600;
  color: var(--text);
  font-size: 13px;
}

.biz-table tr:hover td {
  background-color: #f7fafc;
}

/* Info sections */
.biz-info {
  background: #edf2f7;
  border-radius: var(--radius);
  padding: 12px 16px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
}

/* Footer */
.biz-footer {
  background: #f8f9fa;
  padding: 1.5rem 0;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
}

/* Language switch */
.biz-lang-switch {
  display: flex;
  gap: 4px;
}

.biz-lang-btn {
  background: white;
  border: 1px solid var(--border);
  padding: 5px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 13px;
  font-family: var(--font-sans);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.biz-lang-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.biz-lang-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Alert messages */
.biz-alert-success {
  background: #d4edda;
  color: #155724;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #c3e6cb;
  margin-bottom: 12px;
}

.biz-alert-error {
  background: #f8d7da;
  color: #721c24;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid #f5c6cb;
  margin-bottom: 12px;
}

/* Back link */
.biz-back-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.biz-back-link:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .biz-container {
    padding: 0 1rem;
  }
  .biz-header {
    padding: 1.5rem 0;
  }
  .biz-card {
    padding: 1.25rem;
  }
  .biz-table {
    font-size: 13px;
  }
  .biz-table th,
  .biz-table td {
    padding: 8px 10px;
  }
}