/* Ant Design 5 Light Theme Custom Stylesheet */
:root {
  --ant-primary: #1677ff;
  --ant-primary-hover: #4096ff;
  --ant-primary-active: #0958d9;
  --ant-primary-bg: #e6f4ff;
  --ant-success: #52c41a;
  --ant-success-bg: #f6ffed;
  --ant-success-border: #b7eb8f;
  --ant-warning: #faad14;
  --ant-warning-bg: #fffbe6;
  --ant-warning-border: #ffe58f;
  --ant-error: #ff4d4f;
  --ant-error-bg: #fff2f0;
  --ant-error-border: #ffccc7;
  --ant-text: rgba(0, 0, 0, 0.88);
  --ant-text-secondary: rgba(0, 0, 0, 0.65);
  --ant-text-tertiary: rgba(0, 0, 0, 0.45);
  --ant-border: #d9d9d9;
  --ant-border-secondary: #f0f0f0;
  --ant-bg-layout: #f5f7fa;
  --ant-bg-card: #ffffff;
  --ant-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --ant-shadow-md: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  --ant-radius: 8px;
  --ant-radius-sm: 6px;
  --ant-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--ant-font-family);
  font-size: 14px;
  line-height: 1.5715;
  color: var(--ant-text);
  background-color: var(--ant-bg-layout);
  -webkit-font-smoothing: antialiased;
}

/* Ant Layout & Containers */
.ant-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
}

.ant-header {
  background: #ffffff;
  border-bottom: 1px solid var(--ant-border-secondary);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.04);
}

.ant-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.ant-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ant-text);
  font-weight: 700;
  font-size: 18px;
}

.ant-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #1677ff 0%, #0958d9 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 2px 6px rgba(22, 119, 255, 0.35);
}

/* Ant Card */
.ant-card {
  background: var(--ant-bg-card);
  border: 1px solid var(--ant-border-secondary);
  border-radius: var(--ant-radius);
  box-shadow: var(--ant-shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.ant-card:hover {
  border-color: #e2e8f0;
}

.ant-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  color: var(--ant-text);
}

.ant-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ant-card-body {
  padding: 20px;
}

/* Ant Buttons */
.ant-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--ant-radius-sm);
  border: 1px solid var(--ant-border);
  background: #ffffff;
  color: var(--ant-text);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
  text-decoration: none;
}

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

.ant-btn-primary {
  background: var(--ant-primary);
  border-color: var(--ant-primary);
  color: #ffffff !important;
  box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1);
}

.ant-btn-primary:hover {
  background: var(--ant-primary-hover);
  border-color: var(--ant-primary-hover);
  color: #ffffff;
}

.ant-btn-primary:active {
  background: var(--ant-primary-active);
  border-color: var(--ant-primary-active);
}

.ant-btn-danger {
  color: #ff4d4f;
  border-color: #ffa39e;
  background: #fff1f0;
}

.ant-btn-danger:hover {
  background: #ff4d4f;
  border-color: #ff4d4f;
  color: #ffffff;
}

.ant-btn-lg {
  height: 44px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
}

.ant-btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
  border-radius: 4px;
}

/* Ant Input & Textarea */
.ant-form-item {
  margin-bottom: 16px;
}

.ant-form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--ant-text);
  font-size: 13px;
}

.ant-input, .ant-textarea {
  width: 100%;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--ant-text);
  background-color: #ffffff;
  border: 1px solid var(--ant-border);
  border-radius: var(--ant-radius-sm);
  transition: all 0.2s;
  font-family: inherit;
}

.ant-input:focus, .ant-textarea:focus {
  border-color: var(--ant-primary);
  box-shadow: 0 0 0 2px rgba(22, 119, 255, 0.2);
  outline: none;
}

.ant-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.6;
}

/* Telco Selector (Segmented) */
.telco-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.telco-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 16px;
  border: 2px solid var(--ant-border-secondary);
  border-radius: var(--ant-radius);
  background: #fafafa;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.telco-option:hover {
  border-color: #cbd5e1;
  background: #ffffff;
}

.telco-option input[type="radio"] {
  display: none;
}

.telco-option.active.viettel {
  border-color: #e60000;
  background: #fff5f5;
  box-shadow: 0 2px 8px rgba(230, 0, 0, 0.12);
}

.telco-option.active.vina {
  border-color: #0070ba;
  background: #f0f7fc;
  box-shadow: 0 2px 8px rgba(0, 112, 186, 0.12);
}

.telco-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  text-transform: uppercase;
}

.viettel .telco-badge {
  background: #fee2e2;
  color: #b91c1c;
}

.vina .telco-badge {
  background: #e0f2fe;
  color: #0369a1;
}

/* Ant Tags & Badges */
.ant-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-size: 12px;
  line-height: 20px;
  border-radius: 4px;
  border: 1px solid transparent;
  font-weight: 500;
  white-space: nowrap;
}

.ant-tag-success {
  color: #389e0d;
  background: #f6ffed;
  border-color: #b7eb8f;
}

.ant-tag-error {
  color: #cf1322;
  background: #fff1f0;
  border-color: #ffa39e;
}

.ant-tag-warning {
  color: #d46b08;
  background: #fffbe6;
  border-color: #ffe58f;
}

.ant-tag-processing {
  color: #0958d9;
  background: #e6f4ff;
  border-color: #91caff;
}

.ant-tag-default {
  color: rgba(0, 0, 0, 0.65);
  background: #f5f5f5;
  border-color: #d9d9d9;
}

/* Ant Table */
.ant-table-container {
  overflow-x: auto;
  border: 1px solid var(--ant-border-secondary);
  border-radius: var(--ant-radius);
  background: #ffffff;
}

.ant-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.ant-table th {
  background: #fafafa;
  color: var(--ant-text-secondary);
  font-weight: 600;
  padding: 12px 14px;
  border-bottom: 1px solid var(--ant-border-secondary);
  white-space: nowrap;
}

.ant-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ant-border-secondary);
  color: var(--ant-text);
  vertical-align: middle;
}

.ant-table tr:hover td {
  background-color: #fafafa;
}

.ant-table-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--ant-text-tertiary);
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: #ffffff;
  padding: 18px 20px;
  border-radius: var(--ant-radius);
  border: 1px solid var(--ant-border-secondary);
  box-shadow: var(--ant-shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-number {
  font-size: 26px;
  font-weight: 700;
  color: var(--ant-text);
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--ant-text-secondary);
  margin-top: 4px;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

/* Modal styles */
.ant-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.ant-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.ant-modal {
  background: #ffffff;
  border-radius: 10px;
  box-shadow: var(--ant-shadow-md);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform 0.2s ease;
  overflow: hidden;
}

.ant-modal-overlay.active .ant-modal {
  transform: scale(1);
}

.ant-modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
}

.ant-modal-body {
  padding: 20px 24px;
  overflow-y: auto;
}

.ant-modal-footer {
  padding: 12px 24px;
  border-top: 1px solid var(--ant-border-secondary);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: #fafafa;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .telco-selector {
    grid-template-columns: 1fr;
  }
  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }
}