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

:root {
    --primary-color: #1890ff;
    --secondary-color: #36cfc9;
    --accent-color: #722ed1;
    --text-color: #333;
    --light-text: #666;
    --border-color: #e8e8e8;
    --background-color: #f0f2f5;
    --white: #fff;
    --success-color: #52c41a;
    --error-color: #ff4d4f;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 480px;
}

.login-box {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 40px;
    text-align: center;
}

h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

h2 {
    font-size: 16px;
    font-weight: 400;
    color: var(--light-text);
    margin-bottom: 30px;
}

.form-container {
    width: 100%;
}

.form-toggle {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.toggle-btn {
    flex: 1;
    padding: 10px 0;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--light-text);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.toggle-btn.active {
    color: var(--primary-color);
}

.toggle-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.form {
    display: none;
}

.form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

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

input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}

.code-input {
    display: flex;
    gap: 10px;
}

.code-input input {
    flex: 1;
}

.code-btn {
    padding: 0 20px;
    background: var(--white);
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.code-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.code-btn:disabled {
    background: var(--border-color);
    border-color: var(--border-color);
    color: var(--light-text);
    cursor: not-allowed;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: var(--border-radius);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 24px;
    }
    
    h2 {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .login-box {
        padding: 20px 15px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    input {
        padding: 10px 14px;
    }
    
    .code-btn {
        padding: 0 15px;
    }
    
    .submit-btn {
        padding: 10px;
        font-size: 14px;
    }
}

/* 气泡提示样式 - 大厂风格 */
#toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toast {
    padding: 16px 20px;
    border-radius: 12px;
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 260px;
    max-width: 400px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast.success {
    background: linear-gradient(135deg, #52c41a 0%, #389e0d 100%);
}

.toast.error {
    background: linear-gradient(135deg, #ff4d4f 0%, #cf1322 100%);
}

.toast.info {
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
}

.toast::before {
    content: '';
    width: 24px;
    height: 24px;
    background-size: 20px 20px;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

.toast.success::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
}

.toast.error::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-2h2v2zm0-4h-2V7h2v6z'/%3E%3C/svg%3E");
}

.toast.info::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z'/%3E%3C/svg%3E");
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(120px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateX(120px) scale(0.95);
    }
}