/* 
 * 异世神兽 - 现代化登录注册样式
 * 响应式设计 - 支持电脑和手机
 */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-dark: #0f0f23;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --input-bg: rgba(255, 255, 255, 0.08);
    --input-border: rgba(255, 255, 255, 0.15);
    --success-bg: rgba(16, 185, 129, 0.1);
    --success-border: rgba(16, 185, 129, 0.3);
    --error-bg: rgba(239, 68, 68, 0.1);
    --error-border: rgba(239, 68, 68, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 50%, #16213e 100%);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.08) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 头部样式 */
.header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    font-size: 5rem;
    margin-bottom: 10px;
    animation: float 3s ease-in-out infinite;
}

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

.title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 卡片容器 */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 450px;
    backdrop-filter: blur(10px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.5s ease-out;
}

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

.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    font-size: 1rem;
    border: 2px solid var(--input-border);
    border-radius: 12px;
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-success {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
    color: white;
}

/* 提示信息 */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: #10b981;
}

.alert-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: #ef4444;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

/* 分割线 */
.divider {
    display: flex;
    align-items: center;
    margin: 25px 0;
    color: var(--text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    padding: 0 15px;
    font-size: 0.9rem;
}

/* 切换链接 */
.switch-form {
    text-align: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.switch-form p {
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.switch-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.switch-link:hover {
    text-decoration: underline;
}

/* Logo图片 */
.logo-img {
    max-width: 150px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    border: 2px solid rgba(255, 255, 255, 0.12);
    background: rgba(0, 0, 0, 0.18);
    margin-bottom: 20px;
}

/* 页脚 */
.footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.8;
}

/* 响应式设计 - 手机 */
@media (max-width: 600px) {
    .container {
        padding: 15px;
    }
    
    .logo {
        font-size: 4rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .auth-card {
        padding: 25px;
        border-radius: 16px;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .form-input {
        padding: 12px 16px;
    }
    
    .btn {
        padding: 12px 20px;
    }
}

/* 响应式设计 - 平板 */
@media (min-width: 601px) and (max-width: 1024px) {
    .container {
        padding: 30px;
    }
    
    .auth-card {
        padding: 35px;
    }
}

/* 响应式设计 - 大屏幕 */
@media (min-width: 1025px) {
    .container {
        padding: 40px;
    }
}

/* 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: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* 隐藏原有的样式 */
.ss-shell, .ss-wrap, .ss-auth, .ss-card, .ss-card-hd, .ss-card-bd {
    display: none !important;
}