/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00f2ff;
    --secondary-color: #7b2ff7;
    --accent-color: #f107a3;
    --bg-dark: #0a0a0f;
    --bg-light: #1a1a2e;
    --text-color: #ffffff;
    --text-secondary: #a0a0a0;
    --success-color: #00ff88;
    --warning-color: #ffaa00;
    --danger-color: #ff4444;
    --gradient-1: linear-gradient(135deg, #00f2ff 0%, #7b2ff7 100%);
    --gradient-2: linear-gradient(135deg, #f107a3 0%, #00f2ff 100%);
    --gradient-3: linear-gradient(135deg, #7b2ff7 0%, #f107a3 100%);
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-color);
    min-height: 100vh;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
}

/* 隐藏滚动条但保留滚动功能 */
html {
    overflow-y: auto;
    scrollbar-width: none; /* Firefox */
}

html::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

body {
    -ms-overflow-style: none; /* IE/Edge */
    scrollbar-width: none; /* Firefox */
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* 动态背景 */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, #0a0a0f 0%, #1a1a2e 50%, #0f0f1a 100%);
    overflow: hidden;
}

.animated-bg::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(0, 242, 255, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

.animated-bg::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: radial-gradient(circle, rgba(123, 47, 247, 0.1) 0%, transparent 70%);
    animation: rotate 25s linear infinite reverse;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 粒子效果 */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-color);
    animation: float 15s infinite;
    opacity: 0;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* 登录容器 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

.login-box {
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    border: 1px solid rgba(0, 242, 255, 0.3);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.2),
                inset 0 0 20px rgba(0, 242, 255, 0.1);
    animation: slideIn 0.5s ease-out;
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(0, 242, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.login-header h1 {
    font-size: 32px;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% {
        filter: drop-shadow(0 0 5px rgba(0, 242, 255, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 20px rgba(0, 242, 255, 0.8));
    }
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 14px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(10, 10, 15, 0.5);
    border: 1px solid rgba(0, 242, 255, 0.3);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
}

.form-group input::placeholder {
    color: var(--text-secondary);
}

/* 按钮样式 */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: var(--text-color);
    box-shadow: 0 5px 20px rgba(0, 242, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 242, 255, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(123, 47, 247, 0.3);
    color: var(--text-color);
    border: 1px solid var(--secondary-color);
}

.btn-secondary:hover {
    background: rgba(123, 47, 247, 0.5);
}

/* 链接样式 */
.form-links {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.form-links a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

/* 消息提示 */
.alert {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(255, 68, 68, 0.1);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--warning-color);
    color: var(--warning-color);
}

/* 密码强度指示器 */
.password-strength {
    margin-top: 8px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.strength-bar {
    height: 100%;
    width: 0;
    transition: all 0.3s ease;
}

.strength-weak {
    background: var(--danger-color);
    width: 33%;
}

.strength-medium {
    background: var(--warning-color);
    width: 66%;
}

.strength-strong {
    background: var(--success-color);
    width: 100%;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal.hide {
    opacity: 0;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    border: 1px solid rgba(0, 242, 255, 0.3);
    box-shadow: 0 0 40px rgba(0, 242, 255, 0.3);
    animation: slideUp 0.3s ease-out;
    transform: scale(1);
    transition: transform 0.3s ease;
}

.modal.hide .modal-content {
    transform: scale(0.9);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    margin-bottom: 20px;
}

.modal-header h3 {
    color: var(--primary-color);
    font-size: 20px;
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* 导航栏 */
.navbar {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 242, 255, 0.3);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 20px;
}

.navbar-nav a {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    background: rgba(0, 242, 255, 0.2);
    color: var(--primary-color);
}

/* 卡片样式 */
.card {
    background: rgba(26, 26, 46, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(0, 242, 255, 0.2);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 242, 255, 0.2);
    border-color: var(--primary-color);
}

.card-header {
    border-bottom: 1px solid rgba(0, 242, 255, 0.2);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.card-title {
    color: var(--primary-color);
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    color: var(--text-color);
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(26, 26, 46, 0.5);
    border-radius: 10px;
    overflow: hidden;
}

.table thead {
    background: rgba(0, 242, 255, 0.1);
}

.table th {
    padding: 15px;
    text-align: left;
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 242, 255, 0.3);
}

.table td {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.table tbody tr:hover {
    background: rgba(0, 242, 255, 0.05);
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.badge-warning {
    background: rgba(255, 170, 0, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.badge-danger {
    background: rgba(255, 68, 68, 0.2);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.badge-info {
    background: rgba(0, 242, 255, 0.2);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .navbar {
        flex-direction: column;
        gap: 15px;
        padding: 15px;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dashboard {
        padding: 15px;
    }
    
    .welcome-banner {
        padding: 20px;
    }
    
    .welcome-banner h2 {
        font-size: 22px;
    }
    
    .welcome-banner p {
        font-size: 14px;
    }
    
    .colorful-welcome {
        padding: 15px 20px;
    }
    
    .colorful-welcome span {
        font-size: 16px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-btn {
        padding: 15px;
    }
    
    .stat-card {
        padding: 20px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .modal-content {
        width: 95%;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .navbar-brand {
        font-size: 20px;
    }
    
    .navbar-nav a {
        font-size: 14px;
        padding: 6px 10px;
    }
    
    .login-box {
        padding: 20px 15px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .btn {
        padding: 12px;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* 极验验证码容器 */
#geetest-captcha {
    margin-top: 15px;
    margin-bottom: 15px;
}

/* 头像上传 */
.avatar-upload {
    text-align: center;
    margin-bottom: 20px;
}

.avatar-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.4);
    object-fit: cover;
}

.avatar-upload-btn {
    margin-top: 10px;
    padding: 8px 20px;
    background: rgba(0, 242, 255, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.avatar-upload-btn:hover {
    background: rgba(0, 242, 255, 0.3);
}