/* 表单样式 */
/* 通用面板样式 */
.panel {
    background: var(--xyx-glass-bg) !important;
    backdrop-filter: blur(var(--xyx-glass-blur)) !important;
    -webkit-backdrop-filter: blur(var(--xyx-glass-blur)) !important;
    border: 1px solid var(--xyx-glass-border) !important;
    box-shadow: 0 8px 32px 0 var(--xyx-glass-shadow) !important;
    border-radius: var(--xyx-glass-radius) !important;
    margin-bottom: var(--xyx-spacing-lg) !important;
    overflow: hidden !important;
    transition: var(--xyx-glass-transition) !important;
}

/* 面板悬停效果 */
.panel:hover {
    box-shadow: 0 12px 40px 0 var(--xyx-glass-shadow-hover) !important;
    border-color: var(--xyx-glass-border-hover) !important;
}

.panel-heading {
    padding: var(--xyx-spacing-md) var(--xyx-card-padding) !important;
    border-bottom: 1px solid var(--xyx-glass-border) !important;
    background: var(--xyx-glass-bg-light) !important;
    font-weight: var(--xyx-font-weight-semibold) !important;
    font-size: var(--xyx-font-size-md) !important;
    color: var(--xyx-text-color) !important;
    line-height: var(--xyx-line-height-md) !important;
}

.panel-body {
    padding: var(--xyx-card-padding) !important;
}

.panel-footer {
    padding: var(--xyx-spacing-md) var(--xyx-card-padding) !important;
    border-top: 1px solid var(--xyx-glass-border) !important;
    background: var(--xyx-glass-bg-light) !important;
}

/* 确保所有section都应用正确的UI样式 */
section.panel {
    background: var(--xyx-glass-bg) !important;
    backdrop-filter: blur(var(--xyx-glass-blur)) !important;
    -webkit-backdrop-filter: blur(var(--xyx-glass-blur)) !important;
    border: 1px solid var(--xyx-glass-border) !important;
    box-shadow: 0 12px 40px 0 var(--xyx-glass-shadow) !important;
    border-radius: var(--xyx-glass-radius) !important;
    overflow: hidden !important;
}

/* 仅在登录/注册/忘记密码等表单页面应用居中和max-width限制 */
body.login-page section.panel,
body.register-page section.panel,
body.forget-page section.panel {
    margin: 0 auto !important;
    max-width: 500px !important;
    width: 100% !important;
}

input, select, textarea {
    width: 100%;
    padding: var(--xyx-input-padding-y) var(--xyx-input-padding-x);
    min-height: var(--xyx-input-height);
    border: 1.5px solid rgba(0, 0, 0, 0.15) !important;  /* 增强边框可见性，在白色背景上清晰可见 */
    border-radius: var(--xyx-glass-radius-sm);
    font-size: var(--xyx-font-size-sm);
    line-height: var(--xyx-line-height-md);
    transition: all var(--xyx-transition-speed-fast) cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--xyx-input-bg);
    color: var(--xyx-text-color);
    font-family: inherit;
    box-sizing: border-box;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;  /* 添加轻微阴影增强轮廓 */
}

input:hover, select:hover, textarea:hover {
    border-color: rgba(0, 0, 0, 0.2) !important;  /* hover时稍微加深边框 */
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08) !important;  /* hover时增强阴影 */
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--xyx-accent-color) !important;
    border-width: 1.5px !important;
    box-shadow: 0 0 0 3px var(--xyx-accent-color-alpha-10, rgba(0, 113, 227, 0.1)), 
                0 2px 8px rgba(0, 0, 0, 0.1) !important;  /* focus时增强阴影和焦点环 */
    background: var(--xyx-bg-color);
}

input:disabled, select:disabled, textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--xyx-glass-bg-light);
}

/* 输入框占位符样式 */
input::placeholder, textarea::placeholder {
    color: var(--xyx-text-color-muted);
    opacity: 0.7;
}

/* 表单组 - 更好的间距和对齐 */
.input-group {
    display: flex;
    align-items: stretch;
    gap: var(--xyx-spacing-md);
    margin-bottom: var(--xyx-spacing-lg);
}

.input-group > * {
    flex: 1;
}

/* 表单标签 - 更好的可读性 */
label {
    display: block;
    margin-bottom: var(--xyx-spacing-sm);
    font-weight: var(--xyx-font-weight-medium);
    font-size: var(--xyx-font-size-sm);
    color: var(--xyx-text-color);
    line-height: 1.5;
}

label.required::after {
    content: ' *';
    color: var(--xyx-danger-color);
    margin-left: 2px;
}

/* 表单帮助文本 */
.form-help {
    margin-top: var(--xyx-spacing-xs);
    font-size: var(--xyx-font-size-xs);
    color: var(--xyx-text-color-muted);
    line-height: 1.4;
}

/* 表单错误状态 */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--xyx-danger-color);
}

.form-error {
    margin-top: var(--xyx-spacing-xs);
    font-size: var(--xyx-font-size-xs);
    color: var(--xyx-danger-color);
    display: flex;
    align-items: center;
    gap: var(--xyx-spacing-xs);
}

/* 表单成功状态 */
.form-group.has-success input,
.form-group.has-success select,
.form-group.has-success textarea {
    border-color: var(--xyx-success-color);
}

.input-group-addon {
    background: var(--xyx-glass-bg-light);
    padding: 0 !important;
    border: 1px solid var(--xyx-glass-border);
    border-radius: var(--xyx-glass-radius-sm);
    color: var(--xyx-accent-color);
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: var(--xyx-input-height) !important;
    min-width: var(--xyx-input-height) !important;
    max-width: var(--xyx-input-height) !important;
    flex: 0 0 var(--xyx-input-height) !important;
    height: var(--xyx-input-height) !important;
}

/* 限制输入组图标大小 - 统一比例 */
.input-group-addon i,
.input-group-addon .icon,
.input-group-addon .fa,
.input-group-addon .glyphicon,
.input-group-addon svg {
    font-size: var(--xyx-icon-size) !important;
    width: var(--xyx-icon-size) !important;
    height: var(--xyx-icon-size) !important;
    line-height: var(--xyx-icon-size) !important;
    max-width: var(--xyx-icon-size) !important;
    max-height: var(--xyx-icon-size) !important;
    display: inline-block !important;
    vertical-align: middle !important;
    margin: 0 auto !important;
    text-align: center !important;
}

/* 确保图标容器不会过大 - 统一比例 */
.input-group-addon img {
    max-width: var(--xyx-icon-size) !important;
    max-height: var(--xyx-icon-size) !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    margin: 0 auto !important;
    display: block !important;
}

/* 复选框和单选框 */
input[type="checkbox"], input[type="radio"] {
    width: auto;
    margin-right: 8px;
}

/* 表单行 */
.form-inline {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

/* 表单水平布局 */
.form-horizontal {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.form-horizontal .input-group {
    margin-bottom: 0;
}

/* 全局图标大小限制 */
i.icon,
.icon,
.fa,
.glyphicon,
[class*="icon-"] {
    font-size: 14px !important;
    line-height: 1 !important;
    display: inline-block !important;
    vertical-align: middle !important;
}

/* 表单中的图标特别处理 */
.form-control + .input-group-addon i,
.input-group-addon i,
.form-group i.icon,
.form-group .fa,
.form-group .glyphicon {
    font-size: 18px !important;
    width: 18px !important;
    height: 18px !important;
    line-height: 18px !important;
    margin: 0 auto !important;
    text-align: center !important;
}

/* 输入组整体样式优化 */
.input-group {
    display: flex !important;
    align-items: stretch !important;
}

.input-group .input-group-addon {
    flex: 0 0 44px !important;
    width: 44px !important;
    min-width: 44px !important;
    max-width: 44px !important;
    padding: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}