/* responsive-utils.css —— 响应式工具类 */

/* ========== 显示/隐藏工具类 ========== */
/* 默认隐藏 */
.hidden {
    display: none !important;
}

/* 默认显示 */
.visible {
    display: block !important;
}

/* 大屏幕显示 */
@media (min-width: 1200px) {
    .hidden-lg {
        display: none !important;
    }
    .visible-lg {
        display: block !important;
    }
}

/* 中等屏幕显示 */
@media (min-width: 768px) and (max-width: 1199px) {
    .hidden-md {
        display: none !important;
    }
    .visible-md {
        display: block !important;
    }
}

/* 平板显示 */
@media (min-width: 768px) and (max-width: 900px) {
    .hidden-tablet {
        display: none !important;
    }
    .visible-tablet {
        display: block !important;
    }
}

/* 手机显示 */
@media (max-width: 767px) {
    .hidden-mobile {
        display: none !important;
    }
    .visible-mobile {
        display: block !important;
    }
}

/* 小手机显示 */
@media (max-width: 479px) {
    .hidden-sm {
        display: none !important;
    }
    .visible-sm {
        display: block !important;
    }
}

/* ========== 文本对齐工具类 ========== */
.text-left {
    text-align: left !important;
}

.text-center {
    text-align: center !important;
}

.text-right {
    text-align: right !important;
}

@media (max-width: 767px) {
    .text-center-mobile {
        text-align: center !important;
    }
}

/* ========== 间距工具类 ========== */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* ========== 布局工具类 ========== */
.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

.d-block {
    display: block !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-grid {
    display: grid !important;
}

.flex-row {
    flex-direction: row !important;
}

.flex-column {
    flex-direction: column !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.flex-nowrap {
    flex-wrap: nowrap !important;
}

.justify-content-start {
    justify-content: flex-start !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-end {
    justify-content: flex-end !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.justify-content-around {
    justify-content: space-around !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-center {
    align-items: center !important;
}

.align-items-end {
    align-items: flex-end !important;
}

.align-items-stretch {
    align-items: stretch !important;
}

/* ========== 响应式布局工具类 ========== */
@media (max-width: 767px) {
    .d-flex-mobile {
        display: flex !important;
    }
    
    .d-block-mobile {
        display: block !important;
    }
    
    .flex-column-mobile {
        flex-direction: column !important;
    }
    
    .justify-center-mobile {
        justify-content: center !important;
    }
    
    .align-center-mobile {
        align-items: center !important;
    }
}

/* ========== 宽度工具类 ========== */
.w-100 {
    width: 100% !important;
}

.w-75 {
    width: 75% !important;
}

.w-50 {
    width: 50% !important;
}

.w-25 {
    width: 25% !important;
}

.w-auto {
    width: auto !important;
}

/* ========== 高度工具类 ========== */
.h-100 {
    height: 100% !important;
}

.h-auto {
    height: auto !important;
}

.min-h-100 {
    min-height: 100vh !important;
}

/* ========== 位置工具类 ========== */
.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.position-fixed {
    position: fixed !important;
}

.position-sticky {
    position: sticky !important;
}

/* ========== 溢出工具类 ========== */
.overflow-hidden {
    overflow: hidden !important;
}

.overflow-auto {
    overflow: auto !important;
}

.overflow-scroll {
    overflow: scroll !important;
}

/* ========== 边框工具类 ========== */
.border {
    border: 1px solid #dee2e6 !important;
}

.border-0 {
    border: 0 !important;
}

.border-top {
    border-top: 1px solid #dee2e6 !important;
}

.border-bottom {
    border-bottom: 1px solid #dee2e6 !important;
}

.border-left {
    border-left: 1px solid #dee2e6 !important;
}

.border-right {
    border-right: 1px solid #dee2e6 !important;
}

/* ========== 圆角工具类 ========== */
.rounded {
    border-radius: 0.375rem !important;
}

.rounded-0 {
    border-radius: 0 !important;
}

.rounded-1 {
    border-radius: 0.25rem !important;
}

.rounded-2 {
    border-radius: 0.5rem !important;
}

.rounded-3 {
    border-radius: 1rem !important;
}

.rounded-circle {
    border-radius: 50% !important;
}

/* ========== 阴影工具类 ========== */
.shadow {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

.shadow-none {
    box-shadow: none !important;
}

/* ========== 字体大小工具类 ========== */
.fs-1 {
    font-size: 2.5rem !important;
}

.fs-2 {
    font-size: 2rem !important;
}

.fs-3 {
    font-size: 1.75rem !important;
}

.fs-4 {
    font-size: 1.5rem !important;
}

.fs-5 {
    font-size: 1.25rem !important;
}

.fs-6 {
    font-size: 1rem !important;
}

.fs-sm {
    font-size: 0.875rem !important;
}

.fs-xs {
    font-size: 0.75rem !important;
}

/* ========== 字体粗细工具类 ========== */
.fw-bold {
    font-weight: 700 !important;
}

.fw-semibold {
    font-weight: 600 !important;
}

.fw-normal {
    font-weight: 400 !important;
}

.fw-light {
    font-weight: 300 !important;
}

/* ========== 文本颜色工具类 ========== */
.text-primary {
    color: #1565c0 !important;
}

.text-secondary {
    color: #6c757d !important;
}

.text-success {
    color: #198754 !important;
}

.text-danger {
    color: #dc3545 !important;
}

.text-warning {
    color: #ffc107 !important;
}

.text-info {
    color: #0dcaf0 !important;
}

.text-light {
    color: #f8f9fa !important;
}

.text-dark {
    color: #212529 !important;
}

.text-white {
    color: #fff !important;
}

.text-muted {
    color: #6c757d !important;
}

/* ========== 背景颜色工具类 ========== */
.bg-primary {
    background-color: #1565c0 !important;
}

.bg-secondary {
    background-color: #6c757d !important;
}

.bg-success {
    background-color: #198754 !important;
}

.bg-danger {
    background-color: #dc3545 !important;
}

.bg-warning {
    background-color: #ffc107 !important;
}

.bg-info {
    background-color: #0dcaf0 !important;
}

.bg-light {
    background-color: #f8f9fa !important;
}

.bg-dark {
    background-color: #212529 !important;
}

.bg-white {
    background-color: #fff !important;
}

.bg-transparent {
    background-color: transparent !important;
}