/* ===== 星宿食堂 V0.1.9D UI 增强样式 ===== */
/* 依赖 theme-tokens.css 中的变量，请确保在 theme-tokens.css 之后引入 */

/* ============ 1. 按钮点击涟漪效果 ============ */
.ripple {
    position: relative;
    overflow: hidden;
    isolation: isolate;
}
.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    transform: translate(-50%, -50%);
    opacity: 0;
    pointer-events: none;
    transition: width 0.5s ease, height 0.5s ease, opacity 0.6s ease;
}
.ripple:active::after {
    width: 300%;
    height: 300%;
    opacity: 1;
    transition: 0s;
}

/* ============ 2. 加载骨架屏 ============ */
.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--surface-hover, #f0f9f4);
    border-radius: var(--radius-sm);
}
.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-shimmer 1.4s infinite;
}
.skeleton-text {
    height: 12px;
    margin-bottom: var(--gap-sm);
    border-radius: var(--radius-sm);
}
.skeleton-text:last-child { margin-bottom: 0; width: 70%; }
.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.skeleton-block {
    height: 80px;
    border-radius: var(--radius-md);
}
@keyframes skeleton-shimmer {
    100% { transform: translateX(100%); }
}

/* ============ 3. 统一卡片样式 ============ */
.card {
    background: var(--surface, #fff);
    border: 1px solid var(--border, #e6eee8);
    border-radius: var(--radius-md);
    padding: var(--gap-md);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
}
.card-hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.card-flat {
    box-shadow: none;
}
.card-title {
    margin: 0 0 var(--gap-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text, var(--ink));
    font-family: var(--font-main);
}
.card-body {
    font-size: var(--font-size-base);
    color: var(--text-secondary, #666);
    line-height: var(--line-height-base);
}

/* ============ 4. 统一按钮样式 ============ */
.btn-primary,
.btn-secondary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--gap-xs);
    padding: var(--gap-sm) var(--gap-md);
    font-size: var(--font-size-base);
    font-family: var(--font-main);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), color var(--transition),
                box-shadow var(--transition), opacity var(--transition),
                transform var(--transition-fast);
    user-select: none;
    white-space: nowrap;
}
.btn-primary:active,
.btn-secondary:active,
.btn-ghost:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--river);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    background: var(--deep);
    box-shadow: var(--shadow-md);
}
.btn-primary:disabled {
    background: var(--text-faint, #aaa);
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background: var(--surface-hover, #f0f9f4);
    color: var(--river);
    border: 1px solid var(--border, #e6eee8);
}
.btn-secondary:hover {
    background: var(--surface-active, #e8f5f0);
    border-color: var(--river);
}
.btn-secondary:disabled {
    color: var(--text-faint, #aaa);
    cursor: not-allowed;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary, #666);
}
.btn-ghost:hover {
    background: var(--surface-hover, #f0f9f4);
    color: var(--river);
}
.btn-ghost:disabled {
    color: var(--text-faint, #aaa);
    cursor: not-allowed;
}

/* ============ 5. 响应式工具类 ============ */
.hidden-mobile { display: initial; }
.hidden-tablet { display: initial; }
.hidden-desktop { display: initial; }

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

@media (max-width: 1024px) {
    .hidden-tablet { display: none !important; }
}

@media (min-width: 1025px) {
    .hidden-desktop { display: none !important; }
}

.flex-responsive {
    display: flex;
    gap: var(--gap-md);
}
@media (max-width: 768px) {
    .flex-responsive {
        flex-direction: column;
        gap: var(--gap-sm);
    }
}

.grid-responsive {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--gap-md);
}

/* ============ 6. 动画工具类 ============ */
.fade-in {
    animation: fade-in var(--transition-slow) ease both;
}
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slide-up var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1) both;
}
@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scale-in {
    animation: scale-in var(--transition) cubic-bezier(0.4, 0, 0.2, 1) both;
}
@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* 动画延迟工具类 */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* 尊重用户减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .slide-up,
    .scale-in {
        animation: none;
    }
    .skeleton::after {
        animation: none;
    }
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* ============ 7. 焦点可见样式 ============ */
:focus-visible {
    outline: 2px solid var(--river);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
button:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.btn-ghost:focus-visible {
    outline: 2px solid var(--river);
    outline-offset: 2px;
}
a:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
}
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--river);
    outline-offset: -1px;
}

/* ============ 8. 滚动条美化 ============ */
/* Webkit 内核浏览器 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--mist, #E8E0D5);
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--river);
    background-clip: padding-box;
    border: 2px solid transparent;
}
::-webkit-scrollbar-corner {
    background: transparent;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--mist, #E8E0D5) transparent;
}

/* 深色主题滚动条 */
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #30363d;
    background-clip: padding-box;
    border: 2px solid transparent;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--river);
    background-clip: padding-box;
}
[data-theme="dark"] * {
    scrollbar-color: #30363d transparent;
}

/* ============ 9. 图像替换文字样式 ============ */
/* 用于将装饰性图片替换为文字的 span 元素 */
.img-replacement {
    display: inline-block;
    padding: var(--gap-sm, 8px) var(--gap-md, 12px);
    font-size: var(--font-size-base, 14px);
    color: var(--text-secondary, #666);
    background: var(--surface-hover, #f0f9f4);
    border: 1px solid var(--border, #e6eee8);
    border-radius: var(--radius-sm, 6px);
    line-height: var(--line-height-base, 1.6);
    word-break: break-word;
    max-width: 100%;
}