/* ============================================================
   川渝生活网 - 基础样式 & 工具类 v2
   参考宁德社区设计系统，融入川渝文化特色
   ============================================================ */

@import url('chuanyu-variables.css');

/* ========== 1. 重置 & 基础 ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--cy-font-size-base);
    line-height: var(--cy-line-height-normal);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: var(--cy-font-sans);
    color: var(--cy-text-primary);
    background: var(--cy-bg-page);
    line-height: var(--cy-line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: var(--cy-text-link);
    text-decoration: none;
    transition: color var(--cy-transition-fast);
}

a:hover {
    color: var(--cy-text-link-hover);
}

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}

/* ========== 2. 清除浮动 ========== */
.fn-clear::after {
    content: '';
    display: table;
    clear: both;
}

.fn-left { float: left; }
.fn-right { float: right; }
.fn-hide { display: none !important; }

/* ========== 3. 容器 ========== */
.container {
    width: 100%;
    max-width: var(--cy-container-xl);
    margin: 0 auto;
    padding: 0 var(--cy-space-4);
}

.container-sm { max-width: var(--cy-container-sm); }
.container-md { max-width: var(--cy-container-md); }
.container-lg { max-width: var(--cy-container-lg); }
.container-xl { max-width: var(--cy-container-xl); }
.container-2xl { max-width: var(--cy-container-2xl); }

.w1200 { max-width: var(--cy-container-xl); margin: 0 auto; }
.wrap { max-width: var(--cy-container-xl); margin: 0 auto; padding: 0 var(--cy-space-4); }

/* ========== 4. 显示工具 ========== */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

.desktop-only { display: block !important; }
.mobile-only { display: none !important; }

@media (max-width: 767px) {
    .desktop-only { display: none !important; }
    .mobile-only { display: block !important; }
}

/* ========== 5. Flex 工具 ========== */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-1 { flex: 1 1 0% !important; }
.flex-auto { flex: 1 1 auto !important; }
.flex-none { flex: none !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }

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

.gap-1 { gap: var(--cy-space-1) !important; }
.gap-2 { gap: var(--cy-space-2) !important; }
.gap-3 { gap: var(--cy-space-3) !important; }
.gap-4 { gap: var(--cy-space-4) !important; }
.gap-6 { gap: var(--cy-space-6) !important; }
.gap-8 { gap: var(--cy-space-8) !important; }

/* ========== 6. 间距工具 ========== */
.m-0 { margin: 0 !important; }
.m-auto { margin: auto !important; }
.mt-1 { margin-top: var(--cy-space-1) !important; }
.mt-2 { margin-top: var(--cy-space-2) !important; }
.mt-3 { margin-top: var(--cy-space-3) !important; }
.mt-4 { margin-top: var(--cy-space-4) !important; }
.mt-6 { margin-top: var(--cy-space-6) !important; }
.mt-8 { margin-top: var(--cy-space-8) !important; }

.mb-1 { margin-bottom: var(--cy-space-1) !important; }
.mb-2 { margin-bottom: var(--cy-space-2) !important; }
.mb-3 { margin-bottom: var(--cy-space-3) !important; }
.mb-4 { margin-bottom: var(--cy-space-4) !important; }
.mb-6 { margin-bottom: var(--cy-space-6) !important; }
.mb-8 { margin-bottom: var(--cy-space-8) !important; }

.ml-1 { margin-left: var(--cy-space-1) !important; }
.ml-2 { margin-left: var(--cy-space-2) !important; }
.ml-3 { margin-left: var(--cy-space-3) !important; }
.ml-4 { margin-left: var(--cy-space-4) !important; }

.mr-1 { margin-right: var(--cy-space-1) !important; }
.mr-2 { margin-right: var(--cy-space-2) !important; }
.mr-3 { margin-right: var(--cy-space-3) !important; }
.mr-4 { margin-right: var(--cy-space-4) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--cy-space-1) !important; }
.p-2 { padding: var(--cy-space-2) !important; }
.p-3 { padding: var(--cy-space-3) !important; }
.p-4 { padding: var(--cy-space-4) !important; }
.p-6 { padding: var(--cy-space-6) !important; }
.p-8 { padding: var(--cy-space-8) !important; }

.pt-2 { padding-top: var(--cy-space-2) !important; }
.pt-3 { padding-top: var(--cy-space-3) !important; }
.pt-4 { padding-top: var(--cy-space-4) !important; }
.pt-6 { padding-top: var(--cy-space-6) !important; }
.pt-8 { padding-top: var(--cy-space-8) !important; }

.pb-2 { padding-bottom: var(--cy-space-2) !important; }
.pb-3 { padding-bottom: var(--cy-space-3) !important; }
.pb-4 { padding-bottom: var(--cy-space-4) !important; }
.pb-6 { padding-bottom: var(--cy-space-6) !important; }
.pb-8 { padding-bottom: var(--cy-space-8) !important; }

/* ========== 7. 文字工具 ========== */
.text-xs { font-size: var(--cy-font-size-xs) !important; }
.text-sm { font-size: var(--cy-font-size-sm) !important; }
.text-base { font-size: var(--cy-font-size-base) !important; }
.text-lg { font-size: var(--cy-font-size-lg) !important; }
.text-xl { font-size: var(--cy-font-size-xl) !important; }
.text-2xl { font-size: var(--cy-font-size-2xl) !important; }
.text-3xl { font-size: var(--cy-font-size-3xl) !important; }

.font-normal { font-weight: var(--cy-font-normal) !important; }
.font-medium { font-weight: var(--cy-font-medium) !important; }
.font-semibold { font-weight: var(--cy-font-semibold) !important; }
.font-bold { font-weight: var(--cy-font-bold) !important; }

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

.text-primary { color: var(--cy-primary) !important; }
.text-secondary { color: var(--cy-text-secondary) !important; }
.text-muted { color: var(--cy-text-muted) !important; }
.text-success { color: var(--cy-success) !important; }
.text-warning { color: var(--cy-warning) !important; }
.text-danger { color: var(--cy-danger) !important; }
.text-white { color: var(--cy-text-inverse) !important; }

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.text-line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 8. 背景工具 ========== */
.bg-white { background-color: var(--cy-bg-card) !important; }
.bg-light { background-color: var(--cy-bg-page) !important; }
.bg-primary { background-color: var(--cy-primary) !important; }
.bg-primary-light { background-color: var(--cy-primary-bg) !important; }
.bg-success { background-color: var(--cy-success-bg) !important; }
.bg-warning { background-color: var(--cy-warning-bg) !important; }
.bg-danger { background-color: var(--cy-danger-bg) !important; }

/* ========== 9. 边框工具 ========== */
.rounded-sm { border-radius: var(--cy-border-radius-sm) !important; }
.rounded { border-radius: var(--cy-border-radius-md) !important; }
.rounded-md { border-radius: var(--cy-border-radius-md) !important; }
.rounded-lg { border-radius: var(--cy-border-radius-lg) !important; }
.rounded-xl { border-radius: var(--cy-border-radius-xl) !important; }
.rounded-full { border-radius: var(--cy-border-radius-full) !important; }

.border { border: 1px solid var(--cy-border) !important; }
.border-0 { border: 0 !important; }
.border-t { border-top: 1px solid var(--cy-border) !important; }
.border-b { border-bottom: 1px solid var(--cy-border) !important; }
.border-b-primary { border-bottom: 2px solid var(--cy-primary) !important; }

/* ========== 10. 阴影工具 ========== */
.shadow-none { box-shadow: var(--cy-shadow-none) !important; }
.shadow-sm { box-shadow: var(--cy-shadow-sm) !important; }
.shadow { box-shadow: var(--cy-shadow) !important; }
.shadow-md { box-shadow: var(--cy-shadow-md) !important; }
.shadow-lg { box-shadow: var(--cy-shadow-lg) !important; }
.shadow-primary { box-shadow: var(--cy-shadow-primary) !important; }

/* ========== 11. 定位工具 ========== */
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

/* ========== 12. 溢出工具 ========== */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-x-auto { overflow-x: auto !important; }

/* ========== 13. 光标 ========== */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }

/* ========== 14. 过渡 ========== */
.transition { transition: all var(--cy-transition-base) !important; }
.transition-fast { transition: all var(--cy-transition-fast) !important; }
.transition-slow { transition: all var(--cy-transition-slow) !important; }

/* ========== 15. 层级 ========== */
.z-0 { z-index: 0 !important; }
.z-10 { z-index: 10 !important; }
.z-20 { z-index: 20 !important; }
.z-30 { z-index: 30 !important; }
.z-40 { z-index: 40 !important; }
.z-50 { z-index: 50 !important; }
.z-100 { z-index: 100 !important; }
.z-1000 { z-index: 1000 !important; }

/* ========== 16. 可见性 ========== */
.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }
.opacity-0 { opacity: 0 !important; }
.opacity-50 { opacity: 0.5 !important; }
.opacity-100 { opacity: 1 !important; }

/* ========== 17. 网格工具 ========== */
.grid { display: grid !important; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)) !important; }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)) !important; }

.gap-grid-2 { gap: var(--cy-space-2) !important; }
.gap-grid-3 { gap: var(--cy-space-3) !important; }
.gap-grid-4 { gap: var(--cy-space-4) !important; }
.gap-grid-6 { gap: var(--cy-space-6) !important; }

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
    .lg\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)) !important; }
}

/* ========== 18. 动画 ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fadeIn { animation: fadeIn 0.3s ease-out; }
.animate-fadeInUp { animation: fadeInUp 0.4s ease-out; }
.animate-fadeInDown { animation: fadeInDown 0.4s ease-out; }
.animate-slideInRight { animation: slideInRight 0.3s ease-out; }
.animate-slideInLeft { animation: slideInLeft 0.3s ease-out; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s ease-in-out infinite; }

/* ========== 19. 减少动画 ========== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== 20. 川渝文化装饰 ========== */

/* 火锅底纹背景 */
.hotpot-bg {
    background-image:
        radial-gradient(circle at 20% 30%, rgba(196, 30, 58, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 107, 53, 0.06) 0%, transparent 50%);
}

/* 长江波浪装饰线 */
.river-wave-line {
    position: relative;
    overflow: hidden;
}
.river-wave-line::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--cy-primary) 20%,
        var(--cy-chili) 40%,
        var(--cy-orange) 60%,
        var(--cy-primary) 80%,
        transparent 100%
    );
    background-size: 200% 100%;
    animation: wave-flow 4s linear infinite;
}
@keyframes wave-flow {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

/* 山城阶梯装饰 */
.mountain-step {
    position: relative;
}
.mountain-step::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--cy-primary) 0px,
        var(--cy-primary) 20px,
        transparent 20px,
        transparent 24px
    );
}

/* ========== 21. 响应式隐藏 ========== */
@media (max-width: 767px) {
    .hidden-mobile { display: none !important; }
}

@media (min-width: 768px) {
    .hidden-desktop { display: none !important; }
}