body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: linear-gradient(135deg, #e6f7ff 0%, #f5f7fa 50%, #f0f5ff 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 40px 32px;
    text-align: center;
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-hover));
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.login-header {
    margin-bottom: 32px;
}

.logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.logo:hover {
    transform: scale(1.05);
    background: var(--primary);
}

.logo img {
    width: 60%;
    height: 60%;
    object-fit: contain;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 14px;
    color: var(--text-tertiary);
}

.form {
    margin-bottom: 24px;
}

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

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

.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.code-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: 12px;
}

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

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

.form-options {
    margin-bottom: 24px;
    text-align: left;
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.login-btn:hover {
    background: var(--primary-hover);
    box-shadow: var(--shadow-md);
}

.login-footer {
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1000;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-left-color: var(--success);
}

.toast-error {
    border-left-color: var(--danger);
}

.toast-warning {
    border-left-color: var(--warning);
}

.toast-info {
    border-left-color: var(--primary);
}

.toast-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: var(--success-light);
    color: var(--success);
}

.toast-error .toast-icon {
    background: var(--danger-light);
    color: var(--danger);
}

.toast-warning .toast-icon {
    background: var(--warning-light);
    color: var(--warning);
}

.toast-info .toast-icon {
    background: var(--primary-light);
    color: var(--primary);
}

.toast-content {
    flex-grow: 1;
    min-width: 0;
}

.toast-message {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.toast-close:hover {
    background: var(--bg-hover);
    color: var(--text-secondary);
}

@media (max-width: 480px) {
    .login-container {
        padding: 32px 24px;
    }
    
    .logo {
        width: 64px;
        height: 64px;
        margin-bottom: 16px;
    }
    
    .login-title {
        font-size: 20px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .code-btn {
        padding: 10px;
        font-size: 14px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 14px;
    }
}