/**
 * 魔兽世界主题 - 注册页面样式
 * 暗色主题 + 金色点缀
 */

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

:root {
    --primary-color: #ffd700; /* 金色 */
    --secondary-color: #ff9800; /* 橙色 */
    --danger-color: #ff4444;
    --success-color: #00ff00;
    --bg-dark: #0a0a0a;
    --bg-card: rgba(20, 20, 20, 0.95);
    --border-color: #333;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
}

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

/* 背景 */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    z-index: -1;
}

.background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 152, 0, 0.1) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* 主容器 */
.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 头部 */
.header {
    text-align: center;
    margin-bottom: 30px;
    animation: fadeInDown 0.6s ease-out;
}

.logo {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.5),
        0 2px 4px rgba(0, 0, 0, 0.8);
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* 注册表单容器 */
.register-box {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    animation: fadeInUp 0.6s ease-out;
}

.form-title {
    font-size: 1.8rem;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 表单组 */
.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
}

.label-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.label-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: 8px;
}

/* 输入框 */
.form-input {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.form-input::placeholder {
    color: #666;
}

/* 验证码输入组 */
.code-input-group {
    display: flex;
    gap: 10px;
}

.code-input {
    flex: 1;
}

/* 按钮 */
.btn {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.6);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-code {
    background: rgba(255, 215, 0, 0.1);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    white-space: nowrap;
}

.btn-code:hover:not(:disabled) {
    background: rgba(255, 215, 0, 0.2);
}

.btn-code:disabled {
    color: #666;
    border-color: #666;
}

.btn-submit {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    margin-top: 10px;
}

/* 按钮加载状态 */
.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(0, 0, 0, 0.3);
    border-top-color: #000;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* 错误和成功消息 */
.form-error, .form-success {
    display: block;
    font-size: 0.9rem;
    margin-top: 5px;
    min-height: 20px;
}

.form-error {
    color: var(--danger-color);
}

.form-success {
    color: var(--success-color);
}

/* 表单消息 */
.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.show {
    display: block;
    animation: slideIn 0.3s ease-out;
}

.form-message.success {
    background: rgba(0, 255, 0, 0.1);
    border: 2px solid var(--success-color);
    color: var(--success-color);
}

.form-message.error {
    background: rgba(255, 68, 68, 0.1);
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
}

/* 底部提示 */
.form-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.notice {
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.notice-list {
    list-style: none;
    padding-left: 0;
}

.notice-list li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.notice-list li::before {
    content: '•';
    color: var(--primary-color);
    position: absolute;
    left: 5px;
}

.notice-list code {
    background: rgba(255, 215, 0, 0.1);
    padding: 2px 6px;
    border-radius: 3px;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

/* 页脚 */
.footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 动画 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* 响应式设计 */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    .register-box {
        padding: 30px 20px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .code-input-group {
        flex-direction: column;
    }
    
    .btn-code {
        width: 100%;
    }
}

/* 输入验证状态 */
.form-input.valid {
    border-color: var(--success-color);
}

.form-input.invalid {
    border-color: var(--danger-color);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}


/* 导航链接 */
.nav-links {
    text-align: center;
    margin: 15px 0;
    padding: 10px;
}

.nav-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav-links a:hover {
    color: #fff;
    background: rgba(255, 215, 0, 0.1);
    transform: translateY(-1px);
}

.nav-links a:active {
    transform: translateY(0);
}