/* ==========================================================================
   海若心语 · 认证与管理员配置弹窗样式表 (Auth & Admin Modals)
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease-out;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px 28px;
  position: relative;
  transform: scale(0.95);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active .modal-card {
  transform: scale(1);
}

.btn-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.btn-modal-close:hover {
  background: var(--bg-sidebar);
  color: var(--text-main);
}

/* 模态框顶部品牌区 */
.modal-header {
  text-align: center;
  margin-bottom: 22px;
}
.modal-logo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #FFF;
  font-size: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(30, 58, 95, 0.2);
  margin-bottom: 12px;
}
.modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.modal-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

/* 登录/注册 Tab 切换条 */
.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 22px;
}
.auth-tab {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}
.auth-tab:hover {
  color: var(--primary);
}
.auth-tab.active {
  color: var(--primary);
}
.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 15%;
  width: 70%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

/* 表单字段样式 */
.form-group {
  margin-bottom: 16px;
  text-align: left;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.form-label .required-star {
  color: var(--danger);
  margin-left: 2px;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.input-wrap:focus-within {
  background: #FFF;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(44, 94, 138, 0.12);
}

.form-input {
  flex: 1;
  height: 42px;
  font-size: 14.5px;
  color: var(--text-main);
}
.form-input::placeholder {
  color: var(--text-light);
  font-size: 13.5px;
}

.btn-eye-toggle {
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}
.btn-eye-toggle:hover {
  color: var(--text-muted);
}

/* 验证码组合框 */
.captcha-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.captcha-row .input-wrap {
  flex: 1;
}
.captcha-img-box {
  width: 130px;
  height: 44px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F1F5F9;
  transition: opacity 0.2s, transform 0.2s;
  user-select: none;
}
.captcha-img-box:hover {
  opacity: 0.9;
  transform: scale(1.02);
}
.captcha-img-box:active {
  transform: scale(0.98);
}
.captcha-img-box svg {
  width: 100%;
  height: 100%;
}

/* 错误提示条 */
.auth-error-alert {
  display: none;
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #FECDD3;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  margin-bottom: 16px;
  animation: shakeAlert 0.25s ease-in-out;
}
.auth-error-alert.active {
  display: block;
}

@keyframes shakeAlert {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* 提交主按钮 */
.btn-submit-auth {
  width: 100%;
  height: 44px;
  background-color: var(--primary);
  color: #FFF;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  margin-top: 8px;
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn-submit-auth:hover {
  background-color: var(--primary-hover);
}
.btn-submit-auth:disabled {
  background-color: #94A3B8;
  cursor: not-allowed;
  box-shadow: none;
}

/* 表单底部快捷链接 */
.auth-footer-tips {
  margin-top: 16px;
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
}
.auth-footer-tips a {
  color: var(--primary-light);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.auth-footer-tips a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   管理员控制台弹窗样式 (Admin Settings Modal)
   ========================================================================== */
.admin-card {
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 30px;
}
.admin-card::-webkit-scrollbar {
  width: 6px;
}
.admin-card::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 6px;
}

.admin-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: #FEF3C7;
  color: #92400E;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}

.model-presets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.preset-tag-btn {
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.preset-tag-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: #B8D3EB;
}

.admin-textarea {
  min-height: 90px;
  padding: 10px 0;
  line-height: 1.6;
}

.admin-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  gap: 12px;
}

.btn-test-conn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--bg-canvas);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
}
.btn-test-conn:hover {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: #CBD5E1;
}

.test-conn-result {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  display: none;
}
.test-conn-result.success {
  display: block;
  background: #ECFDF5;
  color: #065F46;
  border: 1px solid #A7F3D0;
}
.test-conn-result.error {
  display: block;
  background: #FFF1F2;
  color: #9F1239;
  border: 1px solid #FECDD3;
}