/* =====================================================
   登录/注册页面样式
   ===================================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.auth-page::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(233, 69, 96, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -20px) rotate(5deg); }
}

/* 登录卡片 */
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}
@media (max-width: 480px) {
    .auth-card {
        margin: 20px;
        padding: 30px 24px;
        border-radius: 20px;
    }
}

/* Logo区域 */
.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.auth-logo h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 6px;
}
.auth-logo p {
    color: #666;
    font-size: 14px;
}

/* 表单 */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.form-group {
    position: relative;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    margin-bottom: 6px;
}
.form-group input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e8e8e8;
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s;
    background: #fafafa;
}
.form-group input:focus {
    border-color: #667eea;
    background: #fff;
    outline: none;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}
.form-group input::placeholder {
    color: #aaa;
}
.form-group .icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 18px;
    pointer-events: none;
}
.form-group.has-icon input {
    padding-right: 44px;
}

/* 记住我 & 忘记密码 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}
.form-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    cursor: pointer;
}
.form-options input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #667eea;
}
.form-options a {
    color: #667eea;
}
.form-options a:hover {
    color: #764ba2;
}

/* 提交按钮 */
.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 8px;
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}
.btn-submit:active {
    transform: translateY(0);
}
.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* 分隔线 */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: #999;
    font-size: 13px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e8e8e8;
}

/* 社交登录 */
.social-login {
    display: flex;
    gap: 12px;
}
.social-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid #e8e8e8;
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.social-btn:hover {
    border-color: #667eea;
    background: #f8f8ff;
}

/* 底部链接 */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #e8e8e8;
    font-size: 14px;
    color: #666;
}
.auth-footer a {
    color: #667eea;
    font-weight: 600;
}
.auth-footer a:hover {
    color: #764ba2;
}

/* 错误提示 */
.error-msg {
    background: #fff2f0;
    border: 1px solid #ffccc7;
    color: #ff4d4f;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}
.error-msg.show {
    display: block;
}

/* 成功提示 */
.success-msg {
    background: #f6ffed;
    border: 1px solid #b7eb8a;
    color: #52c41a;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}
.success-msg.show {
    display: block;
}

/* 验证码 */
.captcha-row {
    display: flex;
    gap: 12px;
}
.captcha-row input {
    flex: 1;
}
.captcha-row img {
    height: 48px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid #e8e8e8;
}
.captcha-row img:hover {
    border-color: #667eea;
}

/* 协议勾选 */
.agreement {
    font-size: 12px;
    color: #666;
    line-height: 1.6;
}
.agreement a {
    color: #667eea;
}