/* 国庆主题CSS样式 */

/* 基础颜色和背景修改 */
:root {
    --national-red: #de2910;
    --national-yellow: #ffd700;
    --national-dark-red: #c41e00;
    --national-light-red: #ff6b6b;
}

body {
    background: linear-gradient(to bottom right, var(--national-red), var(--national-yellow)) !important;
    min-height: 100vh;
}

/* 标题样式增强 */
h1.text-center {
    position: relative;
    color: var(--national-red) !important;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

h1.text-center::before, 
h1.text-center::after {
    content: "★";
    color: var(--national-yellow);
    margin: 0 10px;
    animation: twinkle 1.5s infinite alternate;
}

/* 国庆顶部横幅 */
main::before {
    content: "庆祝中华人民共和国成立76周年\A 1949-2025 欢度国庆";
    display: block;
    background-color: var(--national-red);
    color: white;
    text-align: center;
    padding: 15px 0;
    font-weight: bold;
    margin: -2rem -2rem 2rem -2rem;
    border-bottom: 4px solid var(--national-yellow);
    position: relative;
    overflow: hidden;
    white-space: pre; /* 允许换行符\A生效 */
}

main::before::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 20px,
        var(--national-yellow) 20px,
        var(--national-yellow) 40px
    );
}

/* 按钮样式修改 */
button, .bg-primary, a.bg-primary, 
button[type="submit"], 
a[class*="bg-"]:not(.bg-gray-*):not(.bg-white) {
    background-color: var(--national-red) !important;
    border-color: var(--national-red) !important;
    color: white !important;
    transition: all 0.3s ease !important;
}

button:hover, .bg-primary:hover, a.bg-primary:hover, 
button[type="submit"]:hover {
    background-color: var(--national-dark-red) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2) !important;
}

/* 留言卡片样式 */
.bg-white.rounded-xl {
    border-top: 4px solid var(--national-red) !important;
    position: relative;
    overflow: hidden;
}

.bg-white.rounded-xl::before {
    content: "国庆特辑";
    position: absolute;
    top: 10px;
    right: -30px;
    background-color: var(--national-yellow);
    color: var(--national-red);
    padding: 2px 30px;
    transform: rotate(45deg);
    font-size: 12px;
    font-weight: bold;
}

/* 五角星装饰 */
.star-decoration::before {
    content: "★";
    color: var(--national-yellow);
    margin-right: 5px;
}

.star-decoration::after {
    content: "★";
    color: var(--national-yellow);
    margin-left: 5px;
}

/* 空状态样式修改 */
.empty-state .bg-indigo-100 {
    background-color: rgba(222, 41, 16, 0.1) !important;
}

.empty-state .text-indigo-600 {
    color: var(--national-red) !important;
}

.empty-state h3 {
    color: var(--national-red) !important;
}

/* 分页按钮样式 */
a[href*="page="].border.rounded-lg:not(.bg-red-600) {
    border-color: var(--national-red) !important;
    color: var(--national-red) !important;
}

a[href*="page="].border.rounded-lg:hover:not(.bg-red-600) {
    background-color: rgba(222, 41, 16, 0.1) !important;
}

/* 动画效果 */
@keyframes twinkle {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.2); }
}

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

.text-4xl.font-bold {
    animation: float 3s ease-in-out infinite;
}

/* 底部版权信息样式 */
.text-center.py-6 {
    background-color: var(--national-red) !important;
    color: white !important;
}

/* 国庆元素装饰 */
main::after {
    content: "";
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23ffd700'%3E%3Cpath d='M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z'/%3E%3C/svg%3E");
    background-repeat: repeat-x;
    height: 24px;
    display: block;
    margin-top: 2rem;
    opacity: 0.7;
}