/* 苹果风格窗口样式 */

/* 全局背景 */
body {
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
}

/* 改进的动态背景 */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, 
        #667eea 0%, 
        #764ba2 25%, 
        #f093fb 50%, 
        #f5576c 75%, 
        #4facfe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 渐变球体 */
.gradient-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.7;
    animation: float 20s infinite ease-in-out;
}

.sphere-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,107,107,0.8) 0%, rgba(255,107,107,0.2) 70%);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.sphere-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(78,205,196,0.8) 0%, rgba(78,205,196,0.2) 70%);
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.sphere-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(199,121,208,0.8) 0%, rgba(199,121,208,0.2) 70%);
    bottom: 20%;
    left: 20%;
    animation-delay: -10s;
}

.sphere-4 {
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(255,195,113,0.8) 0%, rgba(255,195,113,0.2) 70%);
    top: 30%;
    right: 40%;
    animation-delay: -15s;
}

.sphere-5 {
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(142,158,171,0.8) 0%, rgba(142,158,171,0.2) 70%);
    bottom: 40%;
    right: 30%;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px) scale(1);
    }
    25% {
        transform: translateY(-20px) translateX(10px) scale(1.1);
    }
    50% {
        transform: translateY(-10px) translateX(-15px) scale(0.9);
    }
    75% {
        transform: translateY(-30px) translateX(5px) scale(1.05);
    }
}

/* 浮动粒子 */
.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-particles .particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: particleFloat 25s infinite linear;
}

.floating-particles .particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.floating-particles .particle:nth-child(2) { left: 20%; animation-delay: -3s; }
.floating-particles .particle:nth-child(3) { left: 30%; animation-delay: -6s; }
.floating-particles .particle:nth-child(4) { left: 40%; animation-delay: -9s; }
.floating-particles .particle:nth-child(5) { left: 50%; animation-delay: -12s; }
.floating-particles .particle:nth-child(6) { left: 60%; animation-delay: -15s; }
.floating-particles .particle:nth-child(7) { left: 70%; animation-delay: -18s; }
.floating-particles .particle:nth-child(8) { left: 80%; animation-delay: -21s; }

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* 光线效果 */
.light-rays {
    position: absolute;
    width: 100%;
    height: 100%;
}

.ray {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(255, 255, 255, 0.4) 50%, 
        rgba(255, 255, 255, 0) 100%);
    animation: rayMove 12s infinite ease-in-out;
}

.ray:nth-child(1) {
    left: 25%;
    animation-delay: 0s;
}

.ray:nth-child(2) {
    left: 50%;
    animation-delay: -4s;
}

.ray:nth-child(3) {
    left: 75%;
    animation-delay: -8s;
}

@keyframes rayMove {
    0%, 100% {
        transform: translateY(-100px) rotate(0deg);
        opacity: 0;
    }
    50% {
        transform: translateY(50vh) rotate(180deg);
        opacity: 1;
    }
}

/* 窗口容器 */
.window-container {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    overflow: hidden;
    position: relative;
    min-height: calc(100vh - 40px);
}

/* 窗口标题栏 */
.window-titlebar {
    background: rgba(246, 246, 246, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    position: relative;
}

/* 窗口控制按钮 */
.window-controls {
    display: flex;
    gap: 8px;
}

.control-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.control-btn.close {
    background: #ff5f57;
}

.control-btn.minimize {
    background: #ffbd2e;
}

.control-btn.maximize {
    background: #28ca42;
}

.control-btn:hover {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* 窗口标题 */
.window-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 14px;
    font-weight: 500;
    color: #333;
    user-select: none;
}

/* 窗口操作区域 */
.window-actions {
    display: flex;
    align-items: center;
}

.window-actions .admin-login-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0, 122, 255, 0.1);
    border: 1px solid rgba(0, 122, 255, 0.3);
    border-radius: 6px;
    color: #007aff;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.window-actions .admin-login-btn:hover {
    background: rgba(0, 122, 255, 0.2);
    border-color: rgba(0, 122, 255, 0.5);
    transform: translateY(-1px);
}

.window-actions .admin-login-btn svg {
    flex-shrink: 0;
}

/* 应用主体区域调整 */
.app {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 84px); /* 减去窗口标题栏和外边距 */
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
}

.app::before {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .window-container {
        min-height: calc(100vh - 20px);
        border-radius: 8px;
    }
    
    .window-titlebar {
        height: 40px;
        padding: 0 12px;
    }
    
    .window-title {
        font-size: 13px;
    }
    
    .control-btn {
        width: 10px;
        height: 10px;
    }
    
    .app {
        height: calc(100vh - 60px);
    }
    
    /* 移动端隐藏一些背景效果以提升性能 */
    .gradient-sphere {
        display: none;
    }
    
    .light-rays {
        display: none;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .window-titlebar {
        background: rgba(40, 40, 40, 0.8);
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .window-title {
        color: #fff;
    }
    
    .window-container {
        background: rgba(30, 30, 30, 0.95);
        box-shadow: 
            0 20px 40px rgba(0, 0, 0, 0.3),
            0 0 0 1px rgba(255, 255, 255, 0.1);
    }
}